SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - Footnote 4 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Condensed Financial Information Of Parent [Line Items]
Total lease liabilities	$ 1,266	$ 1,110
2026	147
2027	143
2028	143
2029	147
2030	147
Thereafter	1,078
Total operating lease commitments	1,805
Operating lease costs	$ 164	$ 118	$ 99
Operating lease, weighted-average discount rate (as a percent)	5.18%	6.10%
Parent Company
Condensed Financial Information Of Parent [Line Items]
Total lease liabilities	$ 145	$ 150
2026	12
2027	13
2028	13
2029	13
2030	13
Thereafter	139
Total operating lease commitments	203
Operating lease costs	$ 14	$ 14	$ 14
Operating lease, weighted-average discount rate (as a percent)	4.67%	4.66%