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Derivative Instruments and Hedging Activities - Part 3 (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
AOCI to be recognized in next 12 months table
Extinguishment of Debt, Gain (Loss), Net of Tax	$ (8)	$ (32)	$ 3
Cash Flow Hedging [Member]
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	(132)	244
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	20	2
Cash Flow Hedging [Member] | Commodity Contract [Member]
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	30	28
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	2	0
Cash Flow Hedging [Member] | Foreign currency derivatives [Member]
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	4	(9)
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	3	1
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	2
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	(166)	225
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	15	1
Loss on Cash Flow Hedges due to change in forecast	8	0
Fair Value Hedging
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) on Hedging Activity		(13)
Fair Value Hedging | Other Contract [Member]
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) on Hedging Activity		43
Not Designated as Hedging Instrument [Member]
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	16	104
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)	23	95
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)	(2)	13
Not Designated as Hedging Instrument [Member] | Measurement Input, Quoted Price
Gain Loss By Type Of Derivative Tables
Gains (Losses) Recognized in Earnings (not designated as hedging instruments)	$ (5)	(4)
Designated as Hedging Instruments [Member] | Fair Value Hedging
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) on Hedging Activity		$ (56)

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