Debt - Summary of Credit Agreement (Details) € in Millions, kr in Millions, kr in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions		6 Months Ended	12 Months Ended
	Feb. 15, 2024	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 EUR (€)	Jun. 30, 2025 AUD ($)	Jun. 30, 2025 NZD ($)	Jun. 30, 2025 DKK (kr)	Jun. 30, 2025 NOK (kr)	Jun. 30, 2025 CAD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 AUD ($)	Dec. 31, 2024 NZD ($)	Dec. 31, 2024 DKK (kr)	Dec. 31, 2024 NOK (kr)	Dec. 31, 2024 CAD ($)
Debt Instrument [Line Items]
Long-term debt, gross		$ 5,792	$ 4,976
Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross		$ 498	$ 522
Secured Debt \| Credit Agreement \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 1,000	$ 1,000
Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross		3,001	2,772
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross		$ 2,001	$ 1,772
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 1,665	$ 1,535
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Euro Interbank Offered Rate (EURIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 101	$ 57	€ 86						€ 55
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Bank Bill Swap Rate (BBSW)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 82	$ 78		$ 126						$ 126
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Bank Bill Reference Rate (BKBM)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 75	$ 60			$ 124						$ 106
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Copenhagen Interbank Offered Rate (CIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 49	$ 35				kr 310						kr 250
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Norwegian Interbank Offered Rate (NIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 15	$ 0					kr 150						kr 0
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Canadian Overnight Repo Rate Average (CORRA)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.93%	0.93%
Long-term debt, gross		$ 14	$ 7						$ 20						$ 10
Line of Credit \| Unsecured Debt \| Delayed-Draw Term Loan, Due February 2025
Debt Instrument [Line Items]
Debt instrument, basis spread adjustment on variable rate	0.001