SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - BALANCE SHEETS (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 370	$ 559
Due from affiliates	54	23
Income taxes receivable	113	79
Other current assets	49	30
Total current assets	5,912	4,375
Due from affiliates	0	637
Deferred income taxes	135	151
Other long-term assets	1,382	1,244
Total assets	78,574	72,045
Liabilities and shareholders’ equity:
Short-term debt	3,352	3,471
Other current liabilities	1,380	1,131
Total current liabilities	9,899	10,035
Long-term debt	24,548	21,068
Due to affiliates	301	287
Commitments and contingencies
Total shareholders’ equity	27,115	25,981
Total liabilities and shareholders’ equity	78,574	72,045
Parent Company
ASSETS
Cash and cash equivalents	219	186
Restricted cash	1	2
Due from affiliates	102	446
Income taxes receivable	104	0
Other current assets	17	31
Total current assets	443	665
Investments in subsidiaries	35,209	33,308
Due from affiliates	20	21
Deferred income taxes	233	626
Other long-term assets	1,050	1,090
Total assets	36,955	35,710
Liabilities and shareholders’ equity:
Short-term debt	454	1,240
Due to affiliates	226	185
Other current liabilities	566	535
Total current liabilities	1,246	1,960
Long-term debt	7,215	5,969
Due to affiliates	776	1,151
Other long-term liabilities	603	649
Commitments and contingencies
Total shareholders’ equity	27,115	25,981
Total liabilities and shareholders’ equity	$ 36,955	$ 35,710