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Debt - Long-term And Short-term Debt (Details) € in Millions, $ in Millions	1 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2022 USD ($)	Jan. 31, 2022 EUR (€)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2022 EUR (€)
SHORT-TERM
Commercial paper			$ 2,974		$ 278
Other bank borrowings (primarily non U.S.)			241		885
Total short-term debt			3,215		1,163
LONG-TERM
Carrying Value			12,828		13,044
Less: current portion of long-term debt			(1,651)		(1,709)
Total long-term debt			11,177		11,335
Total debt			16,043		14,207
Repayments of long-term debt			$ 1,703	$ 818
0.250% Euro denominated notes due 2022
LONG-TERM
Interest rate		0.25%	0.25%
Carrying Value			$ 0		1,137
Repayments of long-term debt \| €		€ 1,000
2.20% Notes due 2022
LONG-TERM
Interest rate	2.20%		2.20%
Carrying Value			$ 0		500
Repayments of long-term debt	$ 500
2.70% Notes due 2023
LONG-TERM
Interest rate			2.70%
Carrying Value			$ 500		500
2.00% Euro denominated notes due 2023
LONG-TERM
Interest rate			2.00%
Carrying Value			$ 691		759
5.875% GBP denominated notes due 2023
LONG-TERM
Interest rate			5.875%
Carrying Value			$ 381		432
1.20% Euro denominated notes due 2024
LONG-TERM
Interest rate			1.20%
Carrying Value			$ 576		625
1.875% Euro denominated notes due 2024
LONG-TERM
Interest rate			1.875%
Carrying Value			$ 322		356
2.65% Notes due 2025
LONG-TERM
Interest rate			2.65%
Carrying Value			$ 399		399
1.625% Euro denominated notes due 2025
LONG-TERM
Interest rate			1.625%
Carrying Value			$ 521		565
0.00% Euro denominated notes due 2026
LONG-TERM
Interest rate			0.00%
Carrying Value			$ 736		799
3.20% Notes due 2026
LONG-TERM
Interest rate			3.20%
Carrying Value			$ 725		725
3.434% Notes due 2026
LONG-TERM
Interest rate			3.434%
Carrying Value			$ 198		197
1.652% Euro denominated notes due 2027
LONG-TERM
Interest rate			1.652%
Carrying Value			$ 86		94
0.250% Euro denominated notes due 2027
LONG-TERM
Interest rate			0.25%
Carrying Value			$ 785		850
1.00% Euro denominated notes due 2027
LONG-TERM
Interest rate			1.00%			1.00%
Carrying Value			$ 522		0
Debt instrument face amount \| €						€ 500
1.00% Euro denominated notes due 2028
LONG-TERM
Interest rate			1.00%
Carrying Value			$ 761		879
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			$ 109		118
1.375% Euro denominated notes due 2031
LONG-TERM
Interest rate			1.375%			1.375%
Carrying Value			$ 778		0
Debt instrument face amount \| €						€ 750
0.550% Euro denominated notes due 2032
LONG-TERM
Interest rate			0.55%
Carrying Value			$ 781		847
0.375% Euro denominated notes due 2033
LONG-TERM
Interest rate			0.375%
Carrying Value			$ 521		565
1.625% Euro denominated notes due 2035
LONG-TERM
Interest rate			1.625%			1.625%
Carrying Value			$ 828		0
Debt instrument face amount \| €						€ 800
3.55% Notes due 2042
LONG-TERM
Interest rate			3.55%
Carrying Value			$ 664		664
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			$ 726		788
Non U.S borrowings
LONG-TERM
Carrying Value			216		243
Other
LONG-TERM
Carrying Value			10		10
Derivatives Designated as Hedging Instruments: \| Fair Value Hedging \| Interest Rate Swap
LONG-TERM
Fair value decrease in debt related to hedge accounting			$ (19)		$ 42