Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Aug. 21, 2023	Jul. 31, 2023	May 24, 2023	Mar. 02, 2023	Dec. 31, 2022
Short-term and current maturities of long-term debt:
Total short-term and current maturities of long-term debt	$ 755					$ 468
Finance lease and other financing obligations	313					270
Long-term debt:
Unamortized discount and deferred financing costs	(145)					(120)
Finance lease and other financing obligations	652					539
Total long-term debt	$ 22,363					20,950
Senior Notes | 0.375% senior notes due July 2023 (Euro-denominated)
Debt Instrument [Line Items]
Interest rate, stated percentage	0.375%		0.375%	0.375%
Long-term debt:
Long-term debt	$ 0					531
Senior Notes | 3.800% senior notes due October 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	3.80%
Long-term debt:
Long-term debt	$ 0					1,000
Senior Notes | 2.750% senior notes due July 2024
Debt Instrument [Line Items]
Interest rate, stated percentage	2.75%
Long-term debt:
Long-term debt	$ 2,000					2,000
Senior Notes | 3.850% senior notes due June 2025
Debt Instrument [Line Items]
Interest rate, stated percentage	3.85%
Long-term debt:
Long-term debt	$ 900					900
Senior Notes | 2.250% senior notes due July 2025 (British Pound-denominated)
Debt Instrument [Line Items]
Interest rate, stated percentage	2.25%
Long-term debt:
Long-term debt	$ 672					632
Senior Notes | 3.200% senior notes due July 2026
Debt Instrument [Line Items]
Interest rate, stated percentage	3.20%
Long-term debt:
Long-term debt	$ 2,000					2,000
Senior Notes | 2.250% senior notes due June 2027
Debt Instrument [Line Items]
Interest rate, stated percentage	2.25%
Long-term debt:
Long-term debt	$ 1,000					1,000
Senior Notes | 1.125% senior notes due July 2027 (Euro-denominated)
Debt Instrument [Line Items]
Interest rate, stated percentage	1.125%
Long-term debt:
Long-term debt	$ 555					531
Senior Notes | 5.45% Senior Notes Due March 2028
Debt Instrument [Line Items]
Interest rate, stated percentage	5.45%				5.45%
Long-term debt:
Long-term debt	$ 900					0
Senior Notes | 5.375% Senior Notes Due August 2028
Debt Instrument [Line Items]
Interest rate, stated percentage	5.375%	5.375%
Long-term debt:
Long-term debt	$ 700					0
Senior Notes | 4.200% senior notes due October 2028
Debt Instrument [Line Items]
Interest rate, stated percentage	4.20%
Long-term debt:
Long-term debt	$ 1,000					1,000
Senior Notes | 3.500% senior notes due July 2029
Debt Instrument [Line Items]
Interest rate, stated percentage	3.50%
Long-term debt:
Long-term debt	$ 3,000					3,000
Senior Notes | 2.650% senior notes due June 2030
Debt Instrument [Line Items]
Interest rate, stated percentage	2.65%
Long-term debt:
Long-term debt	$ 1,000					1,000
Senior Notes | 1.625% senior notes due July 2030 (Euro-denominated)
Debt Instrument [Line Items]
Interest rate, stated percentage	1.625%
Long-term debt:
Long-term debt	$ 555					531
Senior Notes | 4.500% Senior Notes Due May 2031
Debt Instrument [Line Items]
Interest rate, stated percentage	4.50%			4.50%
Long-term debt:
Long-term debt	$ 889					0
Senior Notes | 3.000% senior notes due July 2031 (British Pound-denominated)
Debt Instrument [Line Items]
Interest rate, stated percentage	3.00%
Long-term debt:
Long-term debt	$ 672					632
Senior Notes | 5.6% Senior Notes Due March 2033
Debt Instrument [Line Items]
Interest rate, stated percentage	5.60%				5.60%
Long-term debt:
Long-term debt	$ 900					0
Senior Notes | 5.625% Senior Notes Due August 2033
Debt Instrument [Line Items]
Interest rate, stated percentage	5.625%	5.625%
Long-term debt:
Long-term debt	$ 1,300					0
Senior Notes | 4.400% senior notes due July 2049
Debt Instrument [Line Items]
Interest rate, stated percentage	4.40%
Long-term debt:
Long-term debt	$ 2,000					2,000
Line of Credit | Revolving credit facility
Long-term debt:
Long-term debt	74					35
Line of Credit | Term loan facility
Long-term debt:
Long-term debt	0					200
Commercial Paper | U.S. dollar commercial paper notes
Long-term debt:
Long-term debt	418					2,329
Commercial Paper | Euro commercial paper notes
Long-term debt:
Long-term debt	1,321					1,210
Foreign lines of credit
Short-term and current maturities of long-term debt:
Total short-term and current maturities of long-term debt	$ 442					$ 198