Debt Facilities - Additional Information (Details)	Mar. 31, 2026 USD ($) credit	Mar. 05, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 GBP (£)
Debt Instrument [Line Items]
Amount outstanding under the term loan facility, net	$ 19,785,000,000
Senior Notes
Debt Instrument [Line Items]
Amount outstanding under the term loan facility, net	19,591,000,000		$ 18,209,000,000
Debt issuance cost, net	$ 165,000,000		150,000,000
4.400% Senior Notes due 2031 | Senior Notes
Debt Instrument [Line Items]
Interest rate	4.40%	4.40%
Aggregate principal debt amount issued		$ 700,000,000
Debt issuance cost, net		$ 10,000,000
Four Point Six Zero Zero Percent Senior Notes Due In Two Thousand Thirty | Senior Notes
Debt Instrument [Line Items]
Interest rate		4.70%
Aggregate principal debt amount issued		$ 800,000,000
Debt issuance cost, net		$ 12,000,000
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Amount available to borrow	$ 4,000,000,000.0
Debt issuance cost	$ 1,000,000		2,000,000
Revolving Credit Facility | 2022 Senior Credit Facility | Line of Credit
Debt Instrument [Line Items]
Borrowing capacity				$ 4,000,000,000.0
Term loans | 2022 Senior Credit Facility | Line of Credit
Debt Instrument [Line Items]
Borrowing capacity | £					£ 500,000,000
Amount outstanding under the term loan facility, net			$ 673,000,000
Letter of Credit | Line of Credit
Debt Instrument [Line Items]
Numbers of letters of credit outstanding | credit	25
Letters of credit outstanding, amount	$ 19,000,000