Debt - Summary of Outstanding Debt (Details) € in Millions, $ in Millions	1 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2024 EUR (€)	Feb. 29, 2024 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2024 EUR (€)
SHORT-TERM
Commercial paper			$ 3,019		$ 4,483
Other bank borrowings (primarily non U.S.)			307		230
Total short-term debt			3,326		4,713
LONG-TERM
Carrying value of long-term debt including current portion			18,192		14,660
Less: current portion of long-term debt			(1,261)		(1,263)
Total long-term debt			16,931		13,397
Total debt			21,518		19,373
Repayments of notes			957	$ 1,641
Derivatives Designated as Hedging Instruments - Fair Value | Interest rate swaps | Derivatives Designated as Hedging Instruments:
LONG-TERM
Fair value increase			$ 38		46
1.20% Euro denominated notes due 2024
LONG-TERM
Interest rate		1.20%	1.20%			1.20%
Carrying value of long-term debt including current portion			$ 0		607
Repayments of notes | €		€ 550
1.875% Euro denominated notes due 2024
LONG-TERM
Interest rate	1.875%		1.875%			1.875%
Carrying value of long-term debt including current portion			$ 0		332
Repayments of notes | €	€ 300
4.800% Notes due 2024
LONG-TERM
Interest rate			4.80%			4.80%
Carrying value of long-term debt including current portion			$ 300		300
4.700% Notes due 2025
LONG-TERM
Interest rate			4.70%			4.70%
Carrying value of long-term debt including current portion			$ 599		599
2.65% Notes due 2025
LONG-TERM
Interest rate			2.65%			2.65%
Carrying value of long-term debt including current portion			$ 400		399
1.625% Euro denominated notes due 2025
LONG-TERM
Interest rate			1.625%			1.625%
Carrying value of long-term debt including current portion			$ 535		550
3.625% Euro denominated notes due 2025
LONG-TERM
Interest rate			3.625%			3.625%
Carrying value of long-term debt including current portion			$ 535		551
0.00% Euro denominated notes due 2026
LONG-TERM
Interest rate			0.00%			0.00%
Carrying value of long-term debt including current portion			$ 751		774
3.20% Notes due 2026
LONG-TERM
Interest rate			3.20%			3.20%
Carrying value of long-term debt including current portion			$ 725		724
3.434% Notes due 2026
LONG-TERM
Interest rate			3.434%			3.434%
Carrying value of long-term debt including current portion			$ 199		198
1.652% Euro denominated notes due 2027
LONG-TERM
Interest rate			1.652%			1.652%
Carrying value of long-term debt including current portion			$ 87		90
0.25% Euro denominated notes due 2027
LONG-TERM
Interest rate			0.25%			0.25%
Carrying value of long-term debt including current portion			$ 803		827
1.00% Euro denominated notes due 2027
LONG-TERM
Interest rate			1.00%			1.00%
Carrying value of long-term debt including current portion			$ 537		553
1.00% Euro denominated notes due 2028
LONG-TERM
Interest rate			1.00%			1.00%
Carrying value of long-term debt including current portion			$ 762		780
3.00% Euro denominated notes due 2028
LONG-TERM
Interest rate		3.00%	3.00%			3.00%
Carrying value of long-term debt including current portion			$ 747		0
Face amount of notes issued | €		€ 700
3.375% Euro denominated notes due 2029
LONG-TERM
Interest rate			3.375%			3.375%
Carrying value of long-term debt including current portion			$ 800		824
1.10% Notes due 2030
LONG-TERM
Interest rate			1.10%			1.10%
Carrying value of long-term debt including current portion			$ 697		697
1.90% Euro denominated notes due 2030
LONG-TERM
Interest rate			1.90%			1.90%
Carrying value of long-term debt including current portion			$ 110		114
3.375% Euro denominated notes due 2030
LONG-TERM
Interest rate			3.375%			3.375%
Carrying value of long-term debt including current portion			$ 799		0
Face amount of notes issued | €						€ 750
1.375% Euro denominated notes due 2031
LONG-TERM
Interest rate			1.375%			1.375%
Carrying value of long-term debt including current portion			$ 805		829
3.20% Euro denominated notes due 2031
LONG-TERM
Interest rate		3.20%	3.20%			3.20%
Carrying value of long-term debt including current portion			$ 909		0
Face amount of notes issued | €		€ 850
0.55% Euro denominated notes due 2032
LONG-TERM
Interest rate			0.55%			0.55%
Carrying value of long-term debt including current portion			$ 799		823
0.375% Euro denominated notes due 2033
LONG-TERM
Interest rate			0.375%			0.375%
Carrying value of long-term debt including current portion			$ 530		546
3.625% Euro denominated notes due 2034
LONG-TERM
Interest rate			3.625%			3.625%
Carrying value of long-term debt including current portion			$ 693		714
3.500% Euro denominated notes due 2034
LONG-TERM
Interest rate			3.50%			3.50%
Carrying value of long-term debt including current portion			$ 795		0
Face amount of notes issued | €						€ 750
1.625% Euro denominated notes due 2035
LONG-TERM
Interest rate			1.625%			1.625%
Carrying value of long-term debt including current portion			$ 851		876
3.40% Euro denominated notes due 2036
LONG-TERM
Interest rate		3.40%	3.40%			3.40%
Carrying value of long-term debt including current portion			$ 743		0
Face amount of notes issued | €		€ 700
3.55% Notes due 2042
LONG-TERM
Interest rate			3.55%			3.55%
Carrying value of long-term debt including current portion			$ 665		666
3.75% Euro denominated notes due 2044
LONG-TERM
Interest rate			3.75%			3.75%
Carrying value of long-term debt including current portion			$ 743		0
Face amount of notes issued | €						€ 700
2.00% Notes due 2050
LONG-TERM
Interest rate			2.00%			2.00%
Carrying value of long-term debt including current portion			$ 297		296
1.00% Euro denominated notes due 2051
LONG-TERM
Interest rate			1.00%			1.00%
Carrying value of long-term debt including current portion			$ 732		755
Non U.S. borrowings
LONG-TERM
Carrying value of long-term debt including current portion			234		226
Other
LONG-TERM
Carrying value of long-term debt including current portion			$ 10		$ 10