v3.20.1
Derivative Instruments (Detail 3) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement $ 68  
Derivative assets, current [1] 226 [2] $ 156 [3]
Derivative Asset, Noncurrent [1] 263 [2] 246 [3]
Long-term derivative liabilities [1] (184) [2] (63) [3]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement   0
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 43 114
Derivative Liability, Current [1] (194) [2] (225) [3]
Derivative Liability [1] (378) (288)
Derivative, Collateral, Right to Reclaim Cash 191 191
Derivative, Fair Value, Net [1] 111 114
Derivative Asset [1] 489 402
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 1,947 1,423
Derivative Asset, Collateral, Obligation to Return Cash, Offset (1,458) (1,021)
Commodity exchange traded derivatives contracts    
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 (1,233) (984)
Derivative Asset 1,198 872
Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] 226 154
Derivative Asset, Noncurrent [1] 263 236
Long-term derivative liabilities [1] (79) (45)
Derivative Liability, Current [1] (149) (212)
Derivative Liability [4] (496) (408)
Derivative Asset [4] 749 539
Interest rate hedging instruments    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative assets, current [1] 0 2
Derivative Asset, Noncurrent [1] 0 10
Long-term derivative liabilities [1] (105) (18)
Derivative Liability, Current [1] (45) (13)
Derivative Liability (150) (31)
Derivative Asset 0 12
Level 3    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Margin/Cash (Received) Posted Subject to Master Netting Arrangement 0 0
Level 3 | Commodity exchange traded derivatives contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability 0 0
Derivative Asset 0 0
Level 3 | Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability [4] (117) (123)
Derivative Asset [4] 366 294
Level 3 | 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 1,322 [2] 991 [3]
Derivative Asset, Collateral, Obligation to Return Cash, Offset (1,096) [2] (835) [3]
Derivative Assets, Current [Member] | Commodity exchange traded derivatives contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 920 727
Derivative Asset, Collateral, Obligation to Return Cash, Offset (920) (727)
Derivative Assets, Current [Member] | Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 402 262
Derivative Asset, Collateral, Obligation to Return Cash, Offset (176) (108)
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 0 2
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 625 [2] 432 [3]
Derivative Asset, Collateral, Obligation to Return Cash, Offset (362) [2] (186) [3]
Derivative Assets, Non-current [Member] | Commodity exchange traded derivatives contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 278 145
Derivative Asset, Collateral, Obligation to Return Cash, Offset (278) (145)
Derivative Assets, Non-current [Member] | Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement 347 277
Derivative Asset, Collateral, Obligation to Return Cash, Offset (84) (41)
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 0 10
Derivative Asset, Collateral, Obligation to Return Cash, Offset 0 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 (1,298) [2] (1,164) [3]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 1,104 [2] 939 [3]
Derivative Liabilities, Current [Member] | Commodity exchange traded derivatives contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (921) (830)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 921 830
Derivative Liabilities, Current [Member] | Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (332) (321)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 183 109
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 (45) (13)
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 (581) [2] (259) [3]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 397 [2] 196 [3]
Derivative Liabilities, Non-current [Member] | Commodity exchange traded derivatives contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (312) (154)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 312 154
Derivative Liabilities, Non-current [Member] | Commodity forward contracts    
Derivative Instruments Subject to Master Netting Arrangement [Line Items]    
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement (164) (87)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 85 42
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 (105) (18)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 0 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 (1,879) (1,423)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset $ 1,501 $ 1,135
[1] At March 31, 2020 and December 31, 2019, we had $191 million and $191 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, 2020, current and long-term derivative assets are shown net of collateral of $(14) million and $(13) million, respectively, and current and long-term derivative liabilities are shown net of collateral of $22 million and $48 million, respectively.
[3] At December 31, 2019, current and long-term derivative assets are shown net of collateral of $(4) million and $(4) million, respectively, and current and long-term derivative liabilities are shown net of collateral of $108 million and $14 million, respectively.
[4] Includes OTC swaps and options.