Debt - Schedule of Senior Unsecured Notes (Details) € in Millions, £ in Millions, $ in Millions	Mar. 31, 2026 USD ($)	Mar. 31, 2026 EUR (€)	Mar. 31, 2026 GBP (£)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Nov. 26, 2025
Debt Instrument [Line Items]
Long-term debt, gross	$ 6,289			$ 6,140
Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	1,750			1,774
Senior Notes \| 2.22% Senior Notes Due August 2026
Debt Instrument [Line Items]
Borrowing Currency Amount	$ 300
Interest Rate	2.22%	2.22%	2.22%
Long-term debt, gross	$ 300			300
Senior Notes \| 2.52% Senior Notes Due August 2028
Debt Instrument [Line Items]
Borrowing Currency Amount	$ 375
Interest Rate	2.52%	2.52%	2.52%
Long-term debt, gross	$ 375			375
Senior Notes \| 0.89% Senior Notes Due August 2026
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 128
Interest Rate	0.89%	0.89%	0.89%
Long-term debt, gross	$ 147			151
Senior Notes \| 1.26% Senior Notes Due August 2031
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 251
Interest Rate	1.26%	1.26%	1.26%
Long-term debt, gross	$ 288			295
Senior Notes \| 1.98% Senior Notes Due August 2026
Debt Instrument [Line Items]
Borrowing Currency Amount \| £			£ 145
Interest Rate	1.98%	1.98%	1.98%
Long-term debt, gross	$ 192			196
Senior Notes \| 2.13% Senior Notes Due August 2028
Debt Instrument [Line Items]
Borrowing Currency Amount \| £			£ 130
Interest Rate	2.13%	2.13%	2.13%
Long-term debt, gross	$ 172			175
Senior Notes \| 3.33% Senior Notes Due August 2027
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 80
Interest Rate	3.33%	3.33%	3.33%
Long-term debt, gross	$ 92			94
Senior Notes \| 3.54% Senior Notes Due August 2029
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 110
Interest Rate	3.54%	3.54%	3.54%
Long-term debt, gross	$ 126			129
Senior Notes \| 3.74% Senior Notes Due August 2032
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 50
Interest Rate	3.74%	3.74%	3.74%
Long-term debt, gross	$ 58			$ 59
Senior Notes \| 5.25% Senior Notes Due July 2030
Debt Instrument [Line Items]
Borrowing Currency Amount	$ 500
Interest Rate	5.25%	5.25%	5.25%	5.25%	5.25%
Long-term debt, gross	$ 500			$ 500
Senior Notes \| 4.125% Senior Notes Due November 2031
Debt Instrument [Line Items]
Borrowing Currency Amount \| €		€ 700
Interest Rate	4.125%	4.125%	4.125%			4.125%
Long-term debt, gross \| €		€ 804			€ 823
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,304			$ 1,323