SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts
Valuation and qualifying accounts
Balance at Beginning of Period	$ 44	$ 904	$ 867
Charged to Costs and Expenses	98	(235)	37
Charged to Other Accounts	(1)	0	0
Deductions	1	(625)	0
Balance at End of Period	142	44	904
Valuation allowance and reserves, current	58	43	44
Environmental, litigation, tax and other reserves
Valuation and qualifying accounts
Balance at Beginning of Period	3,793	3,712	3,164
Charged to Costs and Expenses	869	328	714
Charged to Other Accounts	142	50	138
Deductions	(542)	(297)	(304)
Balance at End of Period	4,262	3,793	3,712
Environmental litigation tax and other reserves, current	$ 226	$ 215	$ 266