Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Allowance for doubtful accounts - receivables	$ 124	$ 55
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs)	4,509	4,292
Regulatory assets	2,756	3,648
Current Assets: Other	695	431
Other Noncurrent Assets: Regulatory assets	14,254	13,618
Other (including amounts related to VIEs)	3,509	3,964
Accounts payable	5,479	4,228
Current maturities of long-term debt	4,349	2,800
Long-Term Debt (includes amounts related to VIEs)	$ 76,340	$ 72,452
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)	776,000,000	771,000,000
Other (includes $54 at 2023 related to VIEs)	$ 1,556	$ 1,393
Consolidated VIEs
Allowance for doubtful accounts - receivables of VIEs	85	150
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs)	494	462
Regulatory assets	120	110
Current Assets: Other	90
Other Noncurrent Assets: Regulatory assets	1,705	1,642
Accounts payable	214	188
Current maturities of long-term debt	1,012	428
Long-Term Debt (includes amounts related to VIEs)	1,842	3,000
Other (includes $54 at 2023 related to VIEs)	$ 27	$ 35
Series A Preferred Stock
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
Series B Preferred Stock
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)	0	1,000,000