v3.19.1
Derivative Instruments (Detail 3) (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] $ 136 [2] $ 142 [3]
Derivative Asset, Noncurrent [1] 165 [2] 160 [3]
Long-term derivative liabilities [1] (113) [2] (140) [3]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (161) 188
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 125 47
Derivative Liability, Current [1] (224) [2] (303) [3]
Derivative Liability [1] (337) (443)
Derivative, Collateral, Right to Reclaim Cash 187 244
Derivative, Fair Value, Net [1] (36) (141)
Derivative Asset [1] 301 302
Derivative Financial Instruments, Assets [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 1,196 1,523
Derivative Asset, Collateral, Obligation to Return Cash, Offset (895) (1,221)
Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] 0 0
Derivative Asset, Noncurrent [1] 0 0
Long-term derivative liabilities [1] 0 0
Derivative Liability, Current [1] 0 0
Derivative Liability (688) (932)
Derivative Asset 612 933
Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] 117 112
Derivative Asset, Noncurrent [1] 163 150
Long-term derivative liabilities [1] (102) (134)
Derivative Liability, Current [1] (220) (299)
Derivative Liability [4] (652) (769)
Derivative Asset [4] 561 550
Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] 19 30
Derivative Asset, Noncurrent [1] 2 10
Long-term derivative liabilities [1] (11) (6)
Derivative Liability, Current [1] (4) (4)
Derivative Liability (17) (10)
Derivative Asset 23 40
Fair Value, Inputs, Level 3 [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Margin/Cash (Received) Posted Subject to Master Netting Arrangement 2 0
Fair Value, Inputs, Level 3 [Member] | Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability 0 0
Derivative Asset 0 0
Fair Value, Inputs, Level 3 [Member] | Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability [4] (115) (220)
Derivative Asset [4] 218 212
Fair Value, Inputs, Level 3 [Member] | Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability 0 0
Derivative Asset 0 0
Derivative Assets, Current [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 872 [2] 1,191 [3]
Derivative Asset, Collateral, Obligation to Return Cash, Offset (736) [2] (1,049) [3]
Derivative Assets, Current [Member] | Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 513 820
Derivative Asset, Collateral, Obligation to Return Cash, Offset (513) (820)
Derivative Assets, Current [Member] | Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 340 341
Derivative Asset, Collateral, Obligation to Return Cash, Offset (223) (229)
Derivative Assets, Current [Member] | Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 19 30
Derivative Asset, Collateral, Obligation to Return Cash, Offset 0 0
Derivative Assets, Non-current [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 324 [2] 332 [3]
Derivative Asset, Collateral, Obligation to Return Cash, Offset (159) [2] (172) [3]
Derivative Assets, Non-current [Member] | Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 99 113
Derivative Asset, Collateral, Obligation to Return Cash, Offset (99) (113)
Derivative Assets, Non-current [Member] | Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 221 209
Derivative Asset, Collateral, Obligation to Return Cash, Offset (58) (59)
Derivative Assets, Non-current [Member] | Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 4 10
Derivative Asset, Collateral, Obligation to Return Cash, Offset (2) 0
Derivative Liabilities, Current [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (1,019) [2] (1,344) [3]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 795 [2] 1,041 [3]
Derivative Liabilities, Current [Member] | Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (528) (764)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 528 764
Derivative Liabilities, Current [Member] | Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (487) (576)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 267 277
Derivative Liabilities, Current [Member] | Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (4) (4)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 0 0
Derivative Liabilities, Non-current [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (338) [2] (367) [3]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 225 [2] 227 [3]
Derivative Liabilities, Non-current [Member] | Future [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (160) (168)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 160 168
Derivative Liabilities, Non-current [Member] | Forward Contracts [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (165) (193)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 63 59
Derivative Liabilities, Non-current [Member] | Interest Rate Hedging Instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (13) (6)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 2 0
Derivative Financial Instruments, Liabilities [Member]    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (1,357) (1,711)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset $ 1,020 $ 1,268
[1] At March 31, 2019 and December 31, 2018, we had $187 million and $244 million, respectively, of collateral under master netting arrangements that were not offset against our derivative instruments on the Consolidated Condensed Balance Sheets primarily related to initial margin requirements.
[2] At March 31, 2019, current and long-term derivative assets are shown net of collateral of $(17) million and $(3) million, respectively, and current and long-term derivative liabilities are shown net of collateral of $76 million and $69 million, respectively.
[3] At December 31, 2018, current and long-term derivative assets are shown net of collateral of $(58) million and $(8) million, respectively, and current and long-term derivative liabilities are shown net of collateral of $49 million and $64 million, respectively.
[4] Includes OTC swaps and options.