Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			$ 14,611
Net current period other comprehensive income (loss)	$ 555	$ (479)	136	$ (138)
Balance, end of period	14,775		14,775
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(2,073)	(1,722)	(1,652)	(2,066)
OCI before reclassifications	555	(477)	130	(175)
Reclassifications due to business divestitures		1	4	43
Amounts reclassified from AOCI	0	0	0	0
Net current period other comprehensive income (loss)	555	(476)	134	(132)
Balance, end of period	(1,518)	(2,198)	(1,518)	(2,198)
Gains (Losses) on Derivatives Qualifying as Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(5)	1	1	1
OCI before reclassifications	2	0	(4)	0
Reclassifications due to business divestitures		0	0	0
Amounts reclassified from AOCI	1	0	1	0
Net current period other comprehensive income (loss)	1	0	(5)	0
Balance, end of period	(4)	1	(4)	1
Pension and Postretirement Liability Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(237)	(136)	(245)	(133)
OCI before reclassifications	(3)	(2)	1	(2)
Reclassifications due to business divestitures		0	0	(1)
Amounts reclassified from AOCI	(2)	1	(6)	3
Net current period other comprehensive income (loss)	(1)	(3)	7	(6)
Balance, end of period	(238)	(139)	(238)	(139)
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(2,315)	(1,857)	(1,896)	(2,198)
OCI before reclassifications	554	(479)	127	(177)
Reclassifications due to business divestitures		1	4	42
Amounts reclassified from AOCI	(1)	1	(5)	3
Net current period other comprehensive income (loss)	555	(479)	136	(138)
Balance, end of period	$ (1,760)	$ (2,336)	$ (1,760)	$ (2,336)

Accumulated Other Comprehensive Income (Loss) [Roll Forward]

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Other Comprehensive Income (Loss), Reclassification Adjustment From AOCI Due To Business Divestitures

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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