Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Allowance for doubtful accounts - receivables	$ 119	$ 55
Inventory	4,390	4,292
Regulatory assets	2,663	3,648
Current Assets: Other	436	431
Regulatory assets	13,446	13,618
Accounts payable	3,777	4,228
Current maturities of long-term debt	2,340	2,800
Long-Term Debt	76,439	72,452
Other	$ 1,466	$ 1,393
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares outstanding (in shares)	772,000,000	771,000,000
Preferred stock, Series A
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, depositary shares authorized (in shares)	40,000,000	40,000,000
Preferred stock, depositary shares outstanding (in shares)	40,000,000	40,000,000
Preferred stock, Series B
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, depositary shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, depositary shares outstanding (in shares)	1,000,000	1,000,000
Variable Interest Entity
Allowance for doubtful accounts of VIEs - receivables	$ 88	$ 150
Inventory	494	462
Regulatory assets	119	110
Current Assets: Other	81	90
Regulatory assets	1,754	1,642
Accounts payable	224	188
Current maturities of long-term debt	1,008	428
Long-Term Debt	1,897	3,000
Other	$ 30	$ 35