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Debt - Summary of Outstanding Debt (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 28, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
SHORT-TERM
Commercial paper		$ 5,063		$ 3,926
Other bank borrowings (primarily non U.S.)		274		191
Total short-term debt		5,337		4,117
LONG-TERM
Carrying value		13,440		13,797
Less: current portion of long-term debt		(1,696)		(1,599)
Total long-term debt		11,744		12,198
Total debt		18,777		17,914
Repayments of long-term debt		542	$ 1,166
Derivatives Designated as Hedging Instruments: \| Fair Value Hedging \| Interest Rate Swap
LONG-TERM
Fair value increase (decrease) in debt related to hedge accounting		$ 47		56
2.70% Notes due 2023
LONG-TERM
Interest rate	2.70%	2.70%
Carrying value		$ 0		501
Repayments of long-term debt	$ 500
2.00% Euro denominated notes due 2023
LONG-TERM
Interest rate		2.00%
Carrying value		$ 706		699
5.875% GBP denominated notes due 2023
LONG-TERM
Interest rate		5.875%
Carrying value		$ 371		367
1.20% Euro denominated notes due 2024
LONG-TERM
Interest rate		1.20%
Carrying value		$ 596		588
1.875% Euro denominated notes due 2024
LONG-TERM
Interest rate		1.875%
Carrying value		$ 327		324
4.800% Notes due 2024
LONG-TERM
Interest rate		4.80%
Carrying value		$ 299		299
4.700% Notes due 2025
LONG-TERM
Interest rate		4.70%
Carrying value		$ 598		598
2.65% Notes due 2025
LONG-TERM
Interest rate		2.65%
Carrying value		$ 399		400
1.625% Euro denominated notes due 2025
LONG-TERM
Interest rate		1.625%
Carrying value		$ 539		533
0.00% Euro denominated notes due 2026
LONG-TERM
Interest rate		0.00%
Carrying value		$ 761		751
3.20% Notes due 2026
LONG-TERM
Interest rate		3.20%
Carrying value		$ 725		724
3.434% Notes due 2026
LONG-TERM
Interest rate		3.434%
Carrying value		$ 198		198
1.652% Euro denominated notes due 2027
LONG-TERM
Interest rate		1.652%
Carrying value		$ 89		88
0.25% Euro denominated notes due 2027
LONG-TERM
Interest rate		0.25%
Carrying value		$ 812		802
1.00% Euro denominated notes due 2027
LONG-TERM
Interest rate		1.00%
Carrying value		$ 543		536
1.00% Euro denominated notes due 2028
LONG-TERM
Interest rate		1.00%
Carrying value		$ 765		749
1.10% Notes due 2030
LONG-TERM
Interest rate		1.10%
Carrying value		$ 696		696
1.90% Euro denominated notes due 2030
LONG-TERM
Interest rate		1.90%
Carrying value		$ 112		111
1.375% Euro denominated notes due 2031
LONG-TERM
Interest rate		1.375%
Carrying value		$ 814		803
0.55% Euro denominated notes due 2032
LONG-TERM
Interest rate		0.55%
Carrying value		$ 808		798
0.375% Euro denominated notes due 2033
LONG-TERM
Interest rate		0.375%
Carrying value		$ 536		529
1.625% Euro denominated notes due 2035
LONG-TERM
Interest rate		1.625%
Carrying value		$ 860		849
3.55% Notes due 2042
LONG-TERM
Interest rate		3.55%
Carrying value		$ 664		665
2.00% Notes due 2050
LONG-TERM
Interest rate		2.00%
Carrying value		$ 296		296
1.00% Euro denominated notes due 2051
LONG-TERM
Interest rate		1.00%
Carrying value		$ 741		731
Non U.S. borrowings
LONG-TERM
Carrying value		10		152
Other
LONG-TERM
Carrying value		$ 175		$ 10