Debt - Schedule 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
	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2026 NZD ($)	Jun. 30, 2026 AUD ($)	Jun. 30, 2026 CAD ($)	Jun. 30, 2026 DKK (kr)	Jun. 30, 2026 EUR (€)	Jun. 30, 2026 NOK (kr)	Dec. 31, 2025 NZD ($)	Dec. 31, 2025 AUD ($)	Dec. 31, 2025 CAD ($)	Dec. 31, 2025 DKK (kr)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 NOK (kr)
Debt Instrument [Line Items]
Long-term debt, gross	$ 6,249	$ 6,140
Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 315	$ 476
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	2,890	2,565
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,890	$ 1,565
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 1,663	$ 1,325
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Bank Bill Reference Rate (BKBM)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 71	$ 76	$ 125						$ 131
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Bank Bill Swap Rate (BBSW)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 77	$ 82		$ 112						$ 122
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	0.78%	0.78%
Long-term debt, gross	$ 67	$ 50			$ 95						$ 68
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Copenhagen Interbank Offered Rate (CIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 10	$ 0				kr 65						kr 0
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Euro Interbank Offered Rate (EURIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 2	$ 7					€ 2						€ 6
Line of Credit \| Revolving Credit Facility \| Credit Agreement \| Norwegian Interbank Offered Rate (NIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.78%	0.78%
Long-term debt, gross	$ 0	$ 25						kr 0						kr 260