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Schedule I - Condensed Financial Information - Balance Sheet (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Current Assets |  |  |
Cash and temporary cash investments | $ 1,189 | $ 1,282 |
Taxes receivable | 1 | 10 |
Accounts receivable from affiliated companies | 2,418 | 2,192 |
Accrued unbilled revenue | 722 | 702 |
Prepayments | 470 | 264 |
Other current assets | 124 | 176 |
TOTAL CURRENT ASSETS | 6,537 | 12,972 |
Investments in subsidiaries and others | 999 | 841 |
Goodwill | 408 | 408 |
Pension and retiree benefits - asset | 3,275 | 3,269 |
Other deferred charges and noncurrent assets | 9,187 | 8,486 |
TOTAL ASSETS | 66,331 | 69,065 | $ 63,116
Current Liabilities |  |  |
Long-term debt due within one year | 250 | 649 |
Notes payable | 2,288 | 2,640 |
Accounts payable | 1,775 | 1,955 |
Accrued taxes | 73 | 102 |
Accrued interest | 170 | 153 |
Other current liabilities | 411 | 444 |
TOTAL CURRENT LIABILITIES | 6,462 | 11,336 |
Shareholders’ Equity |  |  |
Equity | 21,158 | 20,687 |
TOTAL LIABILITIES AND EQUITY | 66,331 | 69,065 |
Parent Company |  |  |
Current Assets |  |  |
Cash and temporary cash investments | 3 | 191 |
Other receivables, net allowance for uncollectible accounts | 103 | 4 |
Taxes receivable | 1 | 5 |
Accounts receivable from affiliated companies | 343 | 1,337 |
Accrued unbilled revenue | 4 | 0 |
Prepayments | 109 | 9 |
Other current assets | 3 | 32 |
TOTAL CURRENT ASSETS | 566 | 1,578 |
Investments in subsidiaries and others | 20,778 | 20,839 |
Goodwill | 406 | 406 |
Pension and retiree benefits - asset | 5 | 5 |
Other deferred charges and noncurrent assets | 249 | 2 |
TOTAL ASSETS | 22,004 | 22,830 |
Current Liabilities |  |  |
Long-term debt due within one year | 0 | 649 |
Term loan | 0 | 400 |
Notes payable | 339 | 282 |
Accrued interest | 0 | 7 |
Other current liabilities | 8 | 7 |
TOTAL CURRENT LIABILITIES | 841 | 1,908 |
Deferred income taxes and unamortized investment tax credits | 0 | 235 |
Other noncurrent liabilities | 5 | 0 |
Total Liabilities | 846 | 2,143 |
Shareholders’ Equity |  |  |
Common stock, including additional paid-in capital | 9,898 | 9,840 |
Retained earnings | 11,260 | 10,847 |
Equity | 21,158 | 20,687 |
TOTAL LIABILITIES AND EQUITY | 22,004 | 22,830 |
Parent Company | Nonrelated Party |  |  |
Current Liabilities |  |  |
Accounts payable | 30 | 39 |
Accrued taxes | 15 | 7 |
Parent Company | Related Party |  |  |
Current Liabilities |  |  |
Accounts payable | 12 | 11 |
Accrued taxes | $ 437 | $ 506 |

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