Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Member’s Equity	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2024	$ 50,641	$ 50,060	$ 581
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(700)	(700)	0
Comprehensive income (loss), net of tax	1,209	1,214	(5)
Ending Balance at Mar. 31, 2025	51,150	50,574	576
Beginning Balance at Dec. 31, 2024	50,641	50,060	581
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(2,200)
Comprehensive income (loss), net of tax	2,669
Ending Balance at Jun. 30, 2025	51,110	50,540	570
Beginning Balance at Mar. 31, 2025	51,150	50,574	576
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(1,500)	(1,500)	0
Comprehensive income (loss), net of tax	1,460	1,466	(6)
Ending Balance at Jun. 30, 2025	51,110	50,540	570
Beginning Balance at Dec. 31, 2025	51,634	51,136	498
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(1,000)	(1,000)	0
Comprehensive income (loss), net of tax	1,372	1,377	(5)
Ending Balance at Mar. 31, 2026	52,006	51,513	493
Beginning Balance at Dec. 31, 2025	51,634	51,136	498
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(2,300)
Comprehensive income (loss), net of tax	2,926
Ending Balance at Jun. 30, 2026	52,260	51,771	489
Beginning Balance at Mar. 31, 2026	52,006	51,513	493
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions	(1,300)	(1,300)	0
Comprehensive income (loss), net of tax	1,554	1,558	(4)
Ending Balance at Jun. 30, 2026	$ 52,260	$ 51,771	$ 489

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.