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Debt - Summary of Outstanding Debt (Details) € in Millions, £ in Millions, $ in Millions	1 Months Ended			12 Months Ended
	Apr. 30, 2023 EUR (€)	Apr. 30, 2023 GBP (£)	Feb. 28, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2023 EUR (€)
SHORT-TERM
Commercial paper				$ 4,483	$ 3,926
Other borrowings (primarily non U.S.)				230	191
Total short-term debt				4,713	4,117
Long-term
Carrying value of long-term debt including current portion				14,660	13,797
Less: current portion of long-term debt				(1,263)	(1,599)
Total long-term debt				13,397	12,198
Total debt				19,373	17,914
Repayments of long-term debt				$ 1,682	1,785	$ 1,468
2.70% Notes due 2023
Long-term
Interest rate			2.70%	2.70%
Carrying value of long-term debt including current portion				$ 0	501
Repayments of long-term debt			$ 500
2.00% Euro denominated notes due 2023
Long-term
Interest rate	2.00%	2.00%		2.00%
Carrying value of long-term debt including current portion				$ 0	699
Repayments of long-term debt \| €	€ 650
5.875% GBP denominated notes due 2023
Long-term
Interest rate	5.875%	5.875%		5.875%
Carrying value of long-term debt including current portion				$ 0	367
Repayments of long-term debt \| £		£ 300
1.20% Euro denominated notes due 2024
Long-term
Interest rate				1.20%
Carrying value of long-term debt including current portion				$ 607	588
1.875% Euro denominated notes due 2024
Long-term
Interest rate				1.875%
Carrying value of long-term debt including current portion				$ 332	324
4.800% Notes due 2024
Long-term
Interest rate				4.80%
Carrying value of long-term debt including current portion				$ 300	299
4.700% Notes due 2025
Long-term
Interest rate				4.70%
Carrying value of long-term debt including current portion				$ 599	598
2.65% Notes due 2025
Long-term
Interest rate				2.65%
Carrying value of long-term debt including current portion				$ 399	400
1.625% Euro denominated notes due 2025
Long-term
Interest rate				1.625%
Carrying value of long-term debt including current portion				$ 550	533
3.625% Euro denominated notes due 2025
Long-term
Interest rate				3.625%			3.625%
Carrying value of long-term debt including current portion				$ 551	0
Debt instrument, face amount \| €							€ 500
0.00% Euro denominated notes due 2026
Long-term
Interest rate				0.00%
Carrying value of long-term debt including current portion				$ 774	751
3.20% Notes due 2026
Long-term
Interest rate				3.20%
Carrying value of long-term debt including current portion				$ 724	724
3.434% Notes due 2026
Long-term
Interest rate				3.434%
Carrying value of long-term debt including current portion				$ 198	198
1.652% Euro denominated notes due 2027
Long-term
Interest rate				1.652%
Carrying value of long-term debt including current portion				$ 90	88
0.250% Euro denominated notes due 2027
Long-term
Interest rate				0.25%
Carrying value of long-term debt including current portion				$ 827	802
1.00% Euro denominated notes due 2027
Long-term
Interest rate				1.00%
Carrying value of long-term debt including current portion				$ 553	536
1.00% Euro denominated notes due 2028
Long-term
Interest rate				1.00%
Carrying value of long-term debt including current portion				$ 780	749
3.375% Euro denominated notes due 2029
Long-term
Interest rate				3.375%			3.375%
Carrying value of long-term debt including current portion				$ 824	0
Debt instrument, face amount \| €							€ 750
1.10% Notes due 2030
Long-term
Interest rate				1.10%
Carrying value of long-term debt including current portion				$ 697	696
1.90% Euro denominated notes due 2030
Long-term
Interest rate				1.90%
Carrying value of long-term debt including current portion				$ 114	111
1.375% Euro denominated notes due 2031
Long-term
Interest rate				1.375%
Carrying value of long-term debt including current portion				$ 829	803
0.550% Euro denominated notes due 2032
Long-term
Interest rate				0.55%
Carrying value of long-term debt including current portion				$ 823	798
0.375% Euro denominated notes due 2033
Long-term
Interest rate				0.375%
Carrying value of long-term debt including current portion				$ 546	529
3.625% Euro denominated notes due 2034
Long-term
Interest rate				3.625%			3.625%
Carrying value of long-term debt including current portion				$ 714	0
Debt instrument, face amount \| €							€ 650
1.625% Euro denominated notes due 2035
Long-term
Interest rate				1.625%
Carrying value of long-term debt including current portion				$ 876	849
3.55% Notes due 2042
Long-term
Interest rate				3.55%
Carrying value of long-term debt including current portion				$ 666	665
2.00% Notes due 2050
Long-term
Interest rate				2.00%
Carrying value of long-term debt including current portion				$ 296	296
1.00% Euro denominated notes due 2051
Long-term
Interest rate				1.00%
Carrying value of long-term debt including current portion				$ 755	731
Non U.S. borrowings
Long-term
Carrying value of long-term debt including current portion				226	152
Other
Long-term
Carrying value of long-term debt including current portion				10	10
Derivatives Designated as Hedging Instruments - Fair Value \| Interest rate swaps \| Derivatives Designated as Hedging Instruments:
Long-term
Fair value increase				$ 46	$ 56