SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - STATEMENT OF COMPREHENSIVE INCOME (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Statement of Income Captions [Line Items]
Net income	$ 2,285	$ 1,463	$ 4,105
Total other comprehensive (loss) income	228	171	422
Pretax amount
Condensed Statement of Income Captions [Line Items]
Net income	2,695	1,417	5,368
Foreign currency translation adjustments	11	(6)	547
Financial instruments	221	191	(146)
Pension and other postretirement benefits	3	28	11
Total other comprehensive (loss) income	235	213	412
Total comprehensive income, after preferred dividends of subsidiaries	2,929	1,629	5,779
Income tax benefit (expense)
Condensed Statement of Income Captions [Line Items]
Net income	(556)	(99)	(1,435)
Foreign currency translation adjustments	0	0	0
Financial instruments	(55)	(47)	33
Pension and other postretirement benefits	(6)	(6)	1
Total other comprehensive (loss) income	(61)	(53)	34
Total comprehensive income, after preferred dividends of subsidiaries	(617)	(152)	(1,401)
Net-of-tax amount
Condensed Statement of Income Captions [Line Items]
Net income	2,139	1,318	3,933
Foreign currency translation adjustments	11	(6)	547
Financial instruments	166	144	(113)
Pension and other postretirement benefits	(3)	22	12
Total other comprehensive (loss) income	174	160	446
Total comprehensive income, after preferred dividends of subsidiaries	2,312	1,477	4,378
Parent Company
Condensed Statement of Income Captions [Line Items]
Net income	2,138	1,317	3,932
Parent Company | Pretax amount
Condensed Statement of Income Captions [Line Items]
Net income	2,027	1,127	3,756
Foreign currency translation adjustments	11	(6)	547
Financial instruments	221	191	(146)
Pension and other postretirement benefits	3	28	11
Total other comprehensive (loss) income	235	213	412
Total comprehensive income, after preferred dividends of subsidiaries	2,262	1,340	4,168
Parent Company | Income tax benefit (expense)
Condensed Statement of Income Captions [Line Items]
Net income	111	190	176
Foreign currency translation adjustments	0	0	0
Financial instruments	(55)	(47)	33
Pension and other postretirement benefits	(6)	(6)	1
Total other comprehensive (loss) income	(61)	(53)	34
Total comprehensive income, after preferred dividends of subsidiaries	50	137	210
Parent Company | Net-of-tax amount
Condensed Statement of Income Captions [Line Items]
Net income	2,138	1,317	3,932
Foreign currency translation adjustments	11	(6)	547
Financial instruments	166	144	(113)
Pension and other postretirement benefits	(3)	22	12
Total other comprehensive (loss) income	174	160	446
Total comprehensive income, after preferred dividends of subsidiaries	$ 2,312	$ 1,477	$ 4,378