10-K Filing

AMERICAN AIRLINES GROUP INC. CIK: 6201 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0000006201-20-000023`
Period End Date	20191231
Filing Date	20200219
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	a10k123119_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 151 Cash Flow Statement 125 Stockholders Equity 58 Comprehensive Income 23

Balance Sheet 88 line items

Line Item	Tag	Value	Unit	Period
Accumulated amortization of intangibles	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$704.00M	USD	Point-in-time
Accumulated amortization of intangibles	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$663.00M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.75B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.75B	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	428.20M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	460.61M	shares	Point-in-time
Cash	`Cash`	$280.00M	USD	Point-in-time
Cash	`Cash`	$275.00M	USD	Point-in-time
Cash	`Cash`	$295.00M	USD	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	$4.49B	USD	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesDebtSecuritiesCurrent`	$3.55B	USD	Point-in-time
Restricted cash and short-term investments	`RestrictedCashAndInvestmentsCurrent`	$154.00M	USD	Point-in-time
Restricted cash and short-term investments	`RestrictedCashAndInvestmentsCurrent`	$158.00M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.75B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.71B	USD	Point-in-time
Aircraft fuel, spare parts and supplies, net	`AirlineRelatedInventoryNet`	$1.52B	USD	Point-in-time
Aircraft fuel, spare parts and supplies, net	`AirlineRelatedInventoryNet`	$1.85B	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$495.00M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$621.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$8.64B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$8.21B	USD	Point-in-time
Flight equipment	`FlightEquipmentGross`	$41.50B	USD	Point-in-time
Flight equipment	`FlightEquipmentGross`	$42.54B	USD	Point-in-time
Ground property and equipment	`GroundPropertyAndEquipmentGross`	$9.44B	USD	Point-in-time
Ground property and equipment	`GroundPropertyAndEquipmentGross`	$8.76B	USD	Point-in-time
Equipment purchase deposits	`DepositsOnFlightEquipment`	$1.28B	USD	Point-in-time
Equipment purchase deposits	`DepositsOnFlightEquipment`	$1.67B	USD	Point-in-time
Total property and equipment, at cost	`PropertyPlantAndEquipmentGross`	$53.65B	USD	Point-in-time
Total property and equipment, at cost	`PropertyPlantAndEquipmentGross`	$51.54B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.66B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$17.44B	USD	Point-in-time
Total property and equipment, net	`PropertyPlantAndEquipmentNet`	$34.99B	USD	Point-in-time
Total property and equipment, net	`PropertyPlantAndEquipmentNet`	$34.10B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.74B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$9.15B	USD	Point-in-time
Goodwill	`Goodwill`	$4.09B	USD	Point-in-time
Goodwill	`Goodwill`	$4.09B	USD	Point-in-time
Intangibles, net of accumulated amortization of $704 and $663, respectively	`IntangibleAssetsNetExcludingGoodwill`	$2.14B	USD	Point-in-time
Intangibles, net of accumulated amortization of $704 and $663, respectively	`IntangibleAssetsNetExcludingGoodwill`	$2.08B	USD	Point-in-time
Deferred tax asset	`DeferredIncomeTaxAssetsNet`	$1.15B	USD	Point-in-time
Deferred tax asset	`DeferredIncomeTaxAssetsNet`	$645.00M	USD	Point-in-time
Other assets	`OtherAssetsMiscellaneousNoncurrent`	$1.32B	USD	Point-in-time
Other assets	`OtherAssetsMiscellaneousNoncurrent`	$1.24B	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$8.06B	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$8.69B	USD	Point-in-time
Total assets	`Assets`	$60.58B	USD	Point-in-time
Total assets	`Assets`	$59.99B	USD	Point-in-time
Current maturities of long-term debt and finance leases	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$3.29B	USD	Point-in-time
Current maturities of long-term debt and finance leases	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.86B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$2.06B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.77B	USD	Point-in-time
Accrued salaries and wages	`EmployeeRelatedLiabilitiesCurrent`	$1.43B	USD	Point-in-time
Accrued salaries and wages	`EmployeeRelatedLiabilitiesCurrent`	$1.54B	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$1.71B	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$1.65B	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$2.14B	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$2.34B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.10B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$18.31B	USD	Point-in-time
Long-term debt and finance leases, net of current maturities	`LongTermDebtAndCapitalLeaseObligations`	$21.18B	USD	Point-in-time
Long-term debt and finance leases, net of current maturities	`LongTermDebtAndCapitalLeaseObligations`	$21.45B	USD	Point-in-time
Pension and postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$6.05B	USD	Point-in-time
Pension and postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$6.91B	USD	Point-in-time
Loyalty program liability	`ContractWithCustomerLiabilityNoncurrent`	$5.42B	USD	Point-in-time
Loyalty program liability	`ContractWithCustomerLiabilityNoncurrent`	$5.27B	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$7.42B	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$7.90B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.39B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.45B	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$41.80B	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$42.65B	USD	Point-in-time
Common stock	`CommonStockValue`	$4.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$4.96B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$3.94B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.78B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.90B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-6.33B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$758.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.26B	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquity`	$-118.00M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquity`	$-169.00M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquity`	$-284.00M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquity`	$-780.00M	USD	Point-in-time
Total liabilities and stockholders equity (deficit)	`LiabilitiesAndStockholdersEquity`	$59.99B	USD	Point-in-time
Total liabilities and stockholders equity (deficit)	`LiabilitiesAndStockholdersEquity`	$60.58B	USD	Point-in-time

Income Statement 151 line items

Line Item	Tag	Value	Unit	Period
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$11.64B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$10.58B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$11.31B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$11.91B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$11.96B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$42.62B	USD	Annual
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$11.56B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$44.54B	USD	Annual
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$10.94B	USD	1 Quarter
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$45.77B	USD	Annual
Total operating revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$10.40B	USD	1 Quarter
Aircraft fuel and related taxes	`FuelCosts`	$7.53B	USD	Annual
Aircraft fuel and related taxes	`FuelCosts`	$8.05B	USD	Annual
Aircraft fuel and related taxes	`FuelCosts`	$6.13B	USD	Annual
Salaries, wages and benefits	`LaborAndRelatedExpense`	$11.95B	USD	Annual
Salaries, wages and benefits	`LaborAndRelatedExpense`	$12.61B	USD	Annual
Salaries, wages and benefits	`LaborAndRelatedExpense`	$12.25B	USD	Annual
Regional expenses	`AirlineCapacityPurchaseArrangements`	$7.50B	USD	Annual
Regional expenses	`AirlineCapacityPurchaseArrangements`	$7.13B	USD	Annual
Regional expenses	`AirlineCapacityPurchaseArrangements`	$6.55B	USD	Annual
Maintenance, materials and repairs	`AircraftMaintenanceMaterialsAndRepairs`	$1.96B	USD	Annual
Maintenance, materials and repairs	`AircraftMaintenanceMaterialsAndRepairs`	$2.38B	USD	Annual
Maintenance, materials and repairs	`AircraftMaintenanceMaterialsAndRepairs`	$2.05B	USD	Annual
Other rent and landing fees	`LandingFeesAndOtherRentals`	$1.81B	USD	Annual
Other rent and landing fees	`LandingFeesAndOtherRentals`	$1.90B	USD	Annual
Other rent and landing fees	`LandingFeesAndOtherRentals`	$2.06B	USD	Annual
Aircraft rent	`AircraftRental`	$1.26B	USD	Annual
Aircraft rent	`AircraftRental`	$1.20B	USD	Annual
Aircraft rent	`AircraftRental`	$1.33B	USD	Annual
Selling expenses	`SellingAndMarketingExpense`	$1.52B	USD	Annual
Selling expenses	`SellingAndMarketingExpense`	$1.48B	USD	Annual
Selling expenses	`SellingAndMarketingExpense`	$1.60B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.84B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.70B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.98B	USD	Annual
Special items, net	`RestructuringAndOtherMainline`	$787.00M	USD	Annual
Special items, net	`RestructuringAndOtherMainline`	$712.00M	USD	Annual
Special items, net	`RestructuringAndOtherMainline`	$635.00M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$5.09B	USD	Annual
Other	`OtherCostAndExpenseOperating`	$5.09B	USD	Annual
Other	`OtherCostAndExpenseOperating`	$4.91B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$42.70B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$38.39B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$10.81B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.01B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.58B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.64B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.37B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$41.88B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$11.10B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.87B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$10.21B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$3.06B	USD	Annual
Operating income	`OperatingIncomeLoss`	$396.00M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.00B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$729.00M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$685.00M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$2.66B	USD	Annual
Operating income	`OperatingIncomeLoss`	$4.23B	USD	Annual
Operating income	`OperatingIncomeLoss`	$375.00M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$571.00M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.15B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$808.00M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$127.00M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$94.00M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$118.00M	USD	Annual
Interest expense, net	`InterestExpense`	$1.09B	USD	Annual
Interest expense, net	`InterestExpense`	$1.05B	USD	Annual
Interest expense, net	`InterestExpense`	$1.06B	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$166.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$159.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$123.00M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-772.00M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-809.00M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-836.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.88B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.26B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.40B	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$570.00M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$2.11B	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$472.00M	USD	Annual
Net income	`NetIncomeLoss`	$1.69B	USD	Annual
Net income	`NetIncomeLoss`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$372.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$414.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$325.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$159.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.41B	USD	Annual
Net income	`NetIncomeLoss`	$662.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$425.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$556.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.28B	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.71	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.96	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.95	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.81	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.41	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.04	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.49	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.62	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.20	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.80	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.34	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.79	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.95	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.96	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.81	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.03	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.70	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.41	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.34	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.61	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.20	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.49	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	451.95M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	434.58M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	472.30M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	489.16M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	460.53M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	441.92M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	445.01M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	463.53M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	464.24M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	443.36M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	460.59M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	435.66M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	464.62M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	461.51M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	461.92M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	474.60M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	491.69M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	465.66M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	453.43M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	445.59M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	444.27M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	442.40M	shares	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Cash dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter

Cash Flow Statement 125 line items

Line Item	Tag	Value	Unit	Period
Cash	`Cash`	$280.00M	USD	Point-in-time
Cash	`Cash`	$275.00M	USD	Point-in-time
Cash	`Cash`	$295.00M	USD	Point-in-time
Restricted cash included in restricted cash and short-term investments	`RestrictedCashAndCashEquivalents`	$11.00M	USD	Point-in-time
Restricted cash included in restricted cash and short-term investments	`RestrictedCashAndCashEquivalents`	$103.00M	USD	Point-in-time
Restricted cash included in restricted cash and short-term investments	`RestrictedCashAndCashEquivalents`	$10.00M	USD	Point-in-time
Total cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$398.00M	USD	Point-in-time
Total cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Total cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.00M	USD	Point-in-time
Total cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$435.00M	USD	Point-in-time
Net income	`NetIncomeLoss`	$1.69B	USD	Annual
Net income	`NetIncomeLoss`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$372.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$414.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$325.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$159.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.41B	USD	Annual
Net income	`NetIncomeLoss`	$662.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$425.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$556.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.28B	USD	Annual
Depreciation and amortization	`MainlineAndExpressDepreciationAndAmortization`	$2.16B	USD	Annual
Depreciation and amortization	`MainlineAndExpressDepreciationAndAmortization`	$2.32B	USD	Annual
Depreciation and amortization	`MainlineAndExpressDepreciationAndAmortization`	$2.02B	USD	Annual
Net gains from sale of property and equipment and sale-leaseback transactions	`GainLossOnDispositionOfPropertyPlantEquipmentAndSaleAndLeasebackTransactionNet`	$112.00M	USD	Annual
Net gains from sale of property and equipment and sale-leaseback transactions	`GainLossOnDispositionOfPropertyPlantEquipmentAndSaleAndLeasebackTransactionNet`	$59.00M	USD	Annual
Net gains from sale of property and equipment and sale-leaseback transactions	`GainLossOnDispositionOfPropertyPlantEquipmentAndSaleAndLeasebackTransactionNet`	$11.00M	USD	Annual
Special items, net non-cash	`SpecialChargesNonCash`	$272.00M	USD	Annual
Special items, net non-cash	`SpecialChargesNonCash`	$376.00M	USD	Annual
Special items, net non-cash	`SpecialChargesNonCash`	$458.00M	USD	Annual
Pension and postretirement	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-132.00M	USD	Annual
Pension and postretirement	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-300.00M	USD	Annual
Pension and postretirement	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-178.00M	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxExpenseBenefit`	$440.00M	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxExpenseBenefit`	$2.09B	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxExpenseBenefit`	$560.00M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$86.00M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$90.00M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$94.00M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$62.00M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$97.00M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$142.00M	USD	Annual
Decrease (increase) in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-222.00M	USD	Annual
Decrease (increase) in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-73.00M	USD	Annual
Decrease (increase) in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$190.00M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherCurrentAssets`	$433.00M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherCurrentAssets`	$390.00M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherCurrentAssets`	$373.00M	USD	Annual
Increase (decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-147.00M	USD	Annual
Increase (decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$327.00M	USD	Annual
Increase (decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$299.00M	USD	Annual
Contributions to pension plans	`IncreaseDecreaseInPensionPlanObligations`	$-475.00M	USD	Annual
Contributions to pension plans	`IncreaseDecreaseInPensionPlanObligations`	$-286.00M	USD	Annual
Contributions to pension plans	`IncreaseDecreaseInPensionPlanObligations`	$-1.23B	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-132.00M	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$209.00M	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-210.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.81B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.74B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.53B	USD	Annual
Capital expenditures and aircraft purchase deposits	`PaymentsToAcquireProductiveAssets`	$5.97B	USD	Annual
Capital expenditures and aircraft purchase deposits	`PaymentsToAcquireProductiveAssets`	$4.27B	USD	Annual
Capital expenditures and aircraft purchase deposits	`PaymentsToAcquireProductiveAssets`	$3.75B	USD	Annual
Proceeds from sale-leaseback transactions	`ProceedsFromSaleLeasebackTransactions`	$850.00M	USD	Annual
Proceeds from sale-leaseback transactions	`SaleLeasebackTransactionNetProceedsInvestingActivities`	$1.10B	USD	Annual
Proceeds from sale-leaseback transactions	`SaleLeasebackTransactionNetProceedsInvestingActivities`	$853.00M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$94.00M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$111.00M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$54.00M	USD	Annual
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$3.41B	USD	Annual
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$3.18B	USD	Annual
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$4.63B	USD	Annual
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$5.92B	USD	Annual
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$4.14B	USD	Annual
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$3.71B	USD	Annual
Proceeds from vendor	`ProceedsFromVendor`	$250.00M	USD	Annual
Proceeds from vendor	`ProceedsFromVendor`	-	USD	Annual
Proceeds from vendor	`ProceedsFromVendor`	-	USD	Annual
Decrease (increase) in restricted short-term investments	`IncreaseDecreaseOfRestrictedInvestments`	$3.00M	USD	Annual
Decrease (increase) in restricted short-term investments	`IncreaseDecreaseOfRestrictedInvestments`	$-72.00M	USD	Annual
Decrease (increase) in restricted short-term investments	`IncreaseDecreaseOfRestrictedInvestments`	$-309.00M	USD	Annual
Proceeds from sale of investments	`ProceedsFromSaleOfOtherInvestments`	-	USD	Annual
Proceeds from sale of investments	`ProceedsFromSaleOfOtherInvestments`	$207.00M	USD	Annual
Proceeds from sale of investments	`ProceedsFromSaleOfOtherInvestments`	-	USD	Annual
Purchase of equity investment	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Purchase of equity investment	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Purchase of equity investment	`PaymentsToAcquireEquityMethodInvestments`	$203.00M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$86.00M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$7.00M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.64B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.97B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.24B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.35B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$3.06B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$3.96B	USD	Annual
Payments on long-term debt and finance leases	`RepaymentsOfDebtAndCapitalLeaseObligations`	$2.33B	USD	Annual
Payments on long-term debt and finance leases	`RepaymentsOfDebtAndCapitalLeaseObligations`	$4.19B	USD	Annual
Payments on long-term debt and finance leases	`RepaymentsOfDebtAndCapitalLeaseObligations`	$2.94B	USD	Annual
Deferred financing costs	`PaymentsOfDebtIssuanceCosts`	$61.00M	USD	Annual
Deferred financing costs	`PaymentsOfDebtIssuanceCosts`	$59.00M	USD	Annual
Deferred financing costs	`PaymentsOfDebtIssuanceCosts`	$85.00M	USD	Annual
Treasury stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$837.00M	USD	Annual
Treasury stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$1.10B	USD	Annual
Treasury stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$1.61B	USD	Annual
Dividend payments	`PaymentsOfOrdinaryDividends`	$198.00M	USD	Annual
Dividend payments	`PaymentsOfOrdinaryDividends`	$178.00M	USD	Annual
Dividend payments	`PaymentsOfOrdinaryDividends`	$186.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$27.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.67B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.57B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.15B	USD	Annual
Net increase (decrease) in cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$4.00M	USD	Annual
Net increase (decrease) in cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-37.00M	USD	Annual
Net increase (decrease) in cash and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-112.00M	USD	Annual
Cash and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$398.00M	USD	Point-in-time
Cash and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.00M	USD	Point-in-time
Cash and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$435.00M	USD	Point-in-time
Cash and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$398.00M	USD	Point-in-time
Cash and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$290.00M	USD	Point-in-time
Cash and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$435.00M	USD	Point-in-time

Stockholders Equity 58 line items

Line Item	Tag	Value	Unit	Period
Purchase and retirement of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	33.95M	shares	Annual
Purchase and retirement of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	34.09M	shares	Annual
Purchase and retirement of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	16.61M	shares	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.10	USD	1 Quarter
Issuance of shares of common stock pursuant to employee stock plans (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensation`	2.17M	shares	Annual
Issuance of shares of common stock pursuant to employee stock plans (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensation`	1.68M	shares	Annual
Issuance of shares of common stock pursuant to employee stock plans (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensation`	1.71M	shares	Annual
Beginning Balance	`StockholdersEquity`	$-118.00M	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$-169.00M	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$-284.00M	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$-780.00M	USD	Point-in-time
Net income	`NetIncomeLoss`	$1.69B	USD	Annual
Net income	`NetIncomeLoss`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$372.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$414.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$325.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$159.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.41B	USD	Annual
Net income	`NetIncomeLoss`	$662.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$425.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$556.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.28B	USD	Annual
Other comprehensive loss, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-71.00M	USD	Annual
Other comprehensive loss, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-435.00M	USD	Annual
Other comprehensive loss, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-120.00M	USD	Annual
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$51.00M	USD	Annual
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$25.00M	USD	Annual
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$37.00M	USD	Annual
Purchase and retirement of AAG common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$1.10B	USD	Annual
Purchase and retirement of AAG common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$799.00M	USD	Annual
Purchase and retirement of AAG common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$1.56B	USD	Annual
Dividends declared on AAG common stock	`DividendsCommonStock`	$188.00M	USD	Annual
Dividends declared on AAG common stock	`DividendsCommonStock`	$198.00M	USD	Annual
Dividends declared on AAG common stock	`DividendsCommonStock`	$180.00M	USD	Annual
Settlement of single-dip unsecured claims held in Disputed Claims Reserve	`AdjustmentsToAdditionalPaidInCapitalSettlementOfSingleDipUnsecuredClaims`	$7.00M	USD	Annual
Settlement of single-dip unsecured claims held in Disputed Claims Reserve	`AdjustmentsToAdditionalPaidInCapitalSettlementOfSingleDipUnsecuredClaims`	$15.00M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$86.00M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$94.00M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$90.00M	USD	Annual
Adoption of Accounting Standards Update (ASU) 2018-02 related to comprehensive income	`TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect`	$622.00M	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$-118.00M	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$-169.00M	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$-284.00M	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$-780.00M	USD	Point-in-time

Comprehensive Income 23 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$1.69B	USD	Annual
Net income	`NetIncomeLoss`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$372.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$414.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$325.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$159.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.41B	USD	Annual
Net income	`NetIncomeLoss`	$662.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$425.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$556.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$1.28B	USD	Annual
Pension, retiree medical and other postretirement benefits	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$70.00M	USD	Annual
Pension, retiree medical and other postretirement benefits	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$438.00M	USD	Annual
Pension, retiree medical and other postretirement benefits	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$117.00M	USD	Annual
Investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$3.00M	USD	Annual
Investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-3.00M	USD	Annual
Investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-1.00M	USD	Annual
Total other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-71.00M	USD	Annual
Total other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-435.00M	USD	Annual
Total other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-120.00M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTax`	$1.25B	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTax`	$1.29B	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTax`	$1.21B	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.