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Derivative Instruments and Hedging Activities - Part 3 (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Cash Flow Hedging [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | $ (28) | $ (30)
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 345 | 310
Cash Flow Hedging [Member] | Commodity Contract [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (1) | (2)
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 29 | 0
Cash Flow Hedging [Member] | Foreign currency derivatives [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0 | (3)
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 12 | (1)
Cash Flow Hedging [Member] | Cross currency derivatives [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0 | (1)
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 0 | 2
Cash Flow Hedging [Member] | Interest Rate Contract [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Accumulated Other Comprehensive Income Loss Before Tax Expected Increase Decrease Next Twelve Months | (11) |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (27) | (24)
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 304 | 309
Loss on Cash Flow Hedges due to impairment of assets | 0 | (4)
Fair Value Hedging |  |
Derivative Instruments Gain Loss [Line Items] |  |
Gain (Loss) on Hedging Activity | 2 |
Fair Value Hedging | Other Contract [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Gain (Loss) on Hedging Activity | 57 |
Not Designated as Hedging Instrument [Member] |  |
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | (30) | (44)
Not Designated as Hedging Instrument [Member] | Other Contract [Member] |  |
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | (13) | (93)
Not Designated as Hedging Instrument [Member] | Foreign currency derivatives [Member] |  |
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | (19) | (11)
Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] |  |
Gain Loss By Type Of Derivative Tables |  |
Gains (Losses) Recognized in Earnings (not designated as hedging instruments) | 2 | $ 60
Designated as Hedging Instruments [Member] | Fair Value Hedging |  |
Derivative Instruments Gain Loss [Line Items] |  |
Gain (Loss) on Hedging Activity | $ (55) |

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