SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - BALANCE SHEETS (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 236	$ 370
Due from affiliates	31	54
Income taxes receivable, net	94	113
Other current assets	56	49
Total current assets	5,470	5,912
Deferred income taxes	129	135
Other long-term assets	1,603	1,382
Total assets	87,181	78,574
Liabilities and shareholders’ equity:
Short-term debt	2,342	3,352
Total current liabilities	10,090	9,899
Long-term debt	27,759	24,548
Other long-term liabilities	307	301
Commitments and contingencies
Total shareholders’ equity	28,675	27,115
Total liabilities and shareholders’ equity	87,181	78,574
Related Party
ASSETS
Due from affiliates	31	54
Liabilities and shareholders’ equity:
Other current liabilities	5	0
Other long-term liabilities	307	301
Nonrelated Party
Liabilities and shareholders’ equity:
Other current liabilities	1,343	1,380
Parent Company
ASSETS
Cash and cash equivalents	3	219
Restricted cash	2	1
Due from affiliates	105	102
Income taxes receivable, net	0	104
Other current assets	11	17
Total current assets	121	443
Investments in subsidiaries	38,499	35,209
Due from affiliates	18	20
Deferred income taxes	429	233
Other long-term assets	1,095	1,050
Total assets	40,162	36,955
Liabilities and shareholders’ equity:
Short-term debt	365	454
Total current liabilities	1,419	1,246
Long-term debt	8,461	7,215
Commitments and contingencies
Total shareholders’ equity	28,675	27,115
Total liabilities and shareholders’ equity	40,162	36,955
Parent Company | Related Party
Liabilities and shareholders’ equity:
Other current liabilities	235	226
Other long-term liabilities	988	776
Parent Company | Nonrelated Party
Liabilities and shareholders’ equity:
Other current liabilities	819	566
Other long-term liabilities	$ 619	$ 603