Debt - Summary of outstanding debt (Details)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Sep. 12, 2022 USD ($)	Feb. 28, 2022 USD ($)
Debt Instrument [Line Items]
Total debt	$ 11,199,000,000		$ 10,770,000,000
Less: Short-term debt and current portion of long-term debt	1,204,000,000		945,000,000
Total long-term debt	9,995,000,000		9,825,000,000
Other
Debt Instrument [Line Items]
Total debt	5,000,000		$ 5,000,000
4.00% Senior Notes due November 2023 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt			4.00%
Total debt	0		$ 350,000,000
3.50% Senior Notes due June 2024 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt			3.50%
Total debt	$ 600,000,000		$ 599,000,000
3.875% Senior Notes due December 2025 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	3.875%	3.875%
Total debt	$ 749,000,000		748,000,000
2.875% Senior Notes due May 2026 (EUR 500M) | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.875%	2.875%
Total debt	$ 550,000,000		530,000,000
Debt face value | €		€ 500,000,000
8.205% Junior Subordinated Notes due January 2027 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	8.205%	8.205%
Total debt	$ 521,000,000		521,000,000
2.85% Senior Notes due May 2027 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.85%	2.85%			2.85%
Total debt	$ 597,000,000		596,000,000
Debt face value					$ 600,000,000
4.50% Senior Notes due December 2028 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	4.50%	4.50%
Total debt	$ 348,000,000		348,000,000
3.75% Senior Notes due May 2029 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	3.75%	3.75%
Total debt	$ 746,000,000		746,000,000
2.80% Senior Notes due May 2030 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.80%	2.80%
Total debt	$ 995,000,000		994,000,000
2.05% Senior Notes due August 2031 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.05%	2.05%
Total debt	$ 397,000,000		396,000,000
2.60% Senior Notes due December 2031 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.60%	2.60%
Total debt	$ 497,000,000		496,000,000
5.00% Senior Notes due September 2032 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	5.00%	5.00%		5.00%
Total debt	$ 496,000,000		495,000,000
Debt face value				$ 500,000,000
5.35% Senior Notes due February 2033 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	5.35%	5.35%
Total debt	$ 744,000,000		0
6.25% Senior Notes due September 2040 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	6.25%	6.25%
Total debt	$ 297,000,000		297,000,000
4.25% Senior Notes due December 2042 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	4.25%	4.25%
Total debt	$ 204,000,000		203,000,000
4.45% Senior Notes due May 2043 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	4.45%	4.45%
Total debt	$ 247,000,000		247,000,000
4.60% Senior Notes due June 2044 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	4.60%	4.60%
Total debt	$ 545,000,000		545,000,000
4.75% Senior Notes due May 2045 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	4.75%	4.75%
Total debt	$ 594,000,000		594,000,000
2.90% Senior Notes due August 2051 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	2.90%	2.90%
Total debt	$ 592,000,000		591,000,000
3.90% Senior Notes due February 2052 | Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	3.90%	3.90%			3.90%
Total debt	$ 878,000,000		877,000,000
Debt face value					$ 900,000,000
Commercial paper
Debt Instrument [Line Items]
Total debt	$ 597,000,000		$ 592,000,000