XML 51 R38.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivatives and Risk Management - Hedge Position (Details) € in Millions, ¥ in Millions, gal in Millions, $ in Millions, $ in Millions | Mar. 31, 2019 EUR (€) gal | Mar. 31, 2019 JPY (¥) gal | Mar. 31, 2019 USD ($) gal | Dec. 31, 2018 EUR (€) gal | Dec. 31, 2018 CAD ($) gal | Dec. 31, 2018 USD ($) gal
--- | --- | --- | --- | --- | --- | ---
Derivatives, Fair Value |  |  |  |  |  |
Total derivative contracts, net |  |  | $ 39 |  |  | $ 13
Prepaid Expenses and Other |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Total derivative contracts, assets |  |  | 63 |  |  | 44
Other Noncurrent Assets |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Total derivative contracts, assets |  |  | 28 |  |  | 8
Other Accrued Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Total derivative contracts, liabilities |  |  | (46) |  |  | (22)
Other Noncurrent Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Total derivative contracts, liabilities |  |  | (6) |  |  | (17)
Interest rate contracts | Designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Interest rate contract, net |  |  | 24 |  |  | 1
Interest rate contracts | Designated as hedging instrument | Prepaid Expenses and Other |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Interest rate contract, assets |  |  | 1 |  |  | 0
Interest rate contracts | Designated as hedging instrument | Other Noncurrent Assets |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Interest rate contract, assets |  |  | 28 |  |  | 8
Interest rate contracts | Designated as hedging instrument | Other Accrued Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Interest rate contract, liabilities |  |  | (2) |  |  | (7)
Interest rate contracts | Designated as hedging instrument | Other Noncurrent Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Interest rate contract, liabilities |  |  | (3) |  |  | 0
Foreign currency exchange contracts | Designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, net |  |  | 1 |  |  | 1
Foreign currency exchange contracts | Designated as hedging instrument | Prepaid Expenses and Other |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, assets |  |  | 1 |  |  | 1
Foreign currency exchange contracts | Designated as hedging instrument | Other Noncurrent Assets |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, assets |  |  | 0 |  |  | 0
Foreign currency exchange contracts | Designated as hedging instrument | Other Accrued Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, liabilities |  |  | 0 |  |  | 0
Foreign currency exchange contracts | Designated as hedging instrument | Other Noncurrent Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, liabilities |  |  | 0 |  |  | 0
Foreign currency exchange contracts | Not designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative, notional amount | € | € 397 |  |  | € 397 |  |
Foreign currency exchange contracts, net |  |  | 7 |  |  | (4)
Foreign currency exchange contracts | Not designated as hedging instrument | Prepaid Expenses and Other |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, assets |  |  | 10 |  |  | 13
Foreign currency exchange contracts | Not designated as hedging instrument | Other Noncurrent Assets |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, assets |  |  | 0 |  |  | 0
Foreign currency exchange contracts | Not designated as hedging instrument | Other Accrued Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, liabilities |  |  | 0 |  |  | 0
Foreign currency exchange contracts | Not designated as hedging instrument | Other Noncurrent Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Foreign currency exchange contracts, liabilities |  |  | $ (3) |  |  | $ (17)
Fuel hedge contracts | Not designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative, nonmonetary notional amount | gal | 195 | 195 | 195 | 219 | 219 | 219
Fuel hedge contracts, net |  |  | $ 7 |  |  | $ 15
Fuel hedge contracts | Not designated as hedging instrument | Prepaid Expenses and Other |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Fuel hedge contracts, assets |  |  | 51 |  |  | 30
Fuel hedge contracts | Not designated as hedging instrument | Other Noncurrent Assets |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Fuel hedge contracts, assets |  |  | 0 |  |  | 0
Fuel hedge contracts | Not designated as hedging instrument | Other Accrued Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Fuel hedge contracts, liabilities |  |  | (44) |  |  | (15)
Fuel hedge contracts | Not designated as hedging instrument | Other Noncurrent Liabilities |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Fuel hedge contracts, liabilities |  |  | 0 |  |  | 0
Fair value hedge | Interest rate contracts | Designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative, notional amount |  |  | $ 1,883 |  |  | $ 1,893
Cash flow hedge | Foreign currency exchange contracts | Designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative, notional amount |  | ¥ 4,328 |  |  | $ 6,934 |

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all foreign currency derivatives designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(b),(c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateFairValueHedgeAssetAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of all derivatives designated as interest rate fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
Name: | us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of price risk derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. + References No definition available. + Details
Name: | us-gaap_PriceRiskDerivativeAssetsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. + References No definition available. + Details
Name: | us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of price risk derivative assets, net of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. + References No definition available. + Details
Name: | us-gaap_PriceRiskDerivativesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EnergyRelatedDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |