Debt - Schedule of Short-term and Long-term Debt Outstanding (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2023	Mar. 18, 2022
Debt Instrument [Line Items]
Total debt		$ 10,956	$ 11,459
Less: short-term debt including current maturities		226	47
Long-term debt		10,730	11,412
Repayments of debt		142
Senior Notes | 4.125% Senior Notes, due 2023
Debt Instrument [Line Items]
Total debt		38	$ 0
Repayments of debt	$ 38
Interest rate (as a percent)	4.125%		4.125%
Senior Notes | 3.625% Senior Notes, due 2024
Debt Instrument [Line Items]
Total debt		48	$ 47
Interest rate (as a percent)			3.625%
Senior Notes | 4.75% Senior Notes, due 2025
Debt Instrument [Line Items]
Total debt		4	$ 4
Interest rate (as a percent)			4.75%
Senior Notes | 4.0% Senior Notes, due 2026
Debt Instrument [Line Items]
Total debt		3	$ 3
Interest rate (as a percent)			4.00%
Senior Notes | 2.95% Senior Notes, due 2027
Debt Instrument [Line Items]
Total debt		496	$ 497
Interest rate (as a percent)			2.95%
Unamortized debt discount and issuance costs			$ 3
Senior Notes | 2.45% Senior Notes, due 2027
Debt Instrument [Line Items]
Total debt		1,237	$ 1,240
Interest rate (as a percent)			2.45%	2.45%
Unamortized debt discount and issuance costs			$ 10
Senior Notes | 4.75% Senior Notes, due 2028
Debt Instrument [Line Items]
Total debt		823	$ 810
Interest rate (as a percent)			4.75%
Senior Notes | 4.25% Senior Notes, due 2029
Debt Instrument [Line Items]
Total debt		1,029	$ 1,016
Interest rate (as a percent)			4.25%
Senior Notes | 2.5% Senior Notes, due 2029
Debt Instrument [Line Items]
Total debt		497	$ 497
Interest rate (as a percent)			2.50%
Unamortized debt discount and issuance costs			$ 3
Senior Notes | 2.70% Sustainability-Linked Senior Notes, due 2029
Debt Instrument [Line Items]
Total debt		1,233	$ 1,236
Interest rate (as a percent)			2.70%	2.70%
Unamortized debt discount and issuance costs			$ 14
Senior Notes | 1.25% Senior Notes, due 2030
Debt Instrument [Line Items]
Total debt		594	$ 595
Interest rate (as a percent)			1.25%
Unamortized debt discount and issuance costs			$ 5
Senior Notes | 2.90% Senior Notes, due 2032
Debt Instrument [Line Items]
Total debt		1,472	$ 1,474
Interest rate (as a percent)			2.90%	2.90%
Unamortized debt discount and issuance costs			$ 26
Senior Notes | Senior Notes 5.25% due 2033
Debt Instrument [Line Items]
Total debt		0	$ 743
Interest rate (as a percent)			5.25%
Unamortized debt discount and issuance costs			$ 7
Senior Notes | 6.55% Senior Notes, due 2037
Debt Instrument [Line Items]
Total debt		290	$ 291
Interest rate (as a percent)			6.55%
Unamortized debt discount and issuance costs			$ 2
Senior Notes | 4.5% Senior Notes, due 2048
Debt Instrument [Line Items]
Total debt		272	$ 272
Interest rate (as a percent)			4.50%
Unamortized debt discount and issuance costs			$ 11
Senior Notes | 3.25% Senior Notes, due 2049
Debt Instrument [Line Items]
Total debt		590	$ 590
Interest rate (as a percent)			3.25%
Unamortized debt discount and issuance costs			$ 10
Senior Notes | 3.7% Senior Notes, due 2052
Debt Instrument [Line Items]
Total debt		974	$ 975
Interest rate (as a percent)			3.70%	3.70%
Unamortized debt discount and issuance costs			$ 25
Senior Notes | 2.3% Senior Notes, due 2060
Debt Instrument [Line Items]
Total debt		682	$ 683
Interest rate (as a percent)			2.30%
Unamortized debt discount and issuance costs			$ 17
Senior Notes | 3.9% Senior Notes, due 2062
Debt Instrument [Line Items]
Total debt		486	$ 486
Interest rate (as a percent)			3.90%	3.90%
Unamortized debt discount and issuance costs			$ 14
Commercial paper
Debt Instrument [Line Items]
Total debt		$ 188	$ 0