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Schedule I - Condensed Financial Information - Balance Sheet (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Current Assets |  |  |
Cash and temporary cash investments | $ 992 | $ 1,272 |
Accounts receivable - customers, less allowance for uncollectible accounts | 1,943 | 1,701 |
Taxes receivable | 13 | 26 |
Prepayments | 295 | 271 |
Other current assets | 361 | 231 |
TOTAL CURRENT ASSETS | 5,551 | 5,301 |
Investments in subsidiaries and others | 853 | 1,816 |
Goodwill | 439 | 446 |
Other noncurrent assets | 8,116 | 9,223 |
TOTAL ASSETS | 63,116 | 62,895 | $ 58,079
Current Liabilities |  |  |
Long-term debt due within one year |  | 1,967 |
Term Loan | 0 | 165 |
Notes payable | 1,488 | 1,705 |
Accounts payable | 1,497 | 1,475 |
Accrued taxes | 104 | 150 |
Other current liabilities | 461 | 426 |
TOTAL CURRENT LIABILITIES | 5,427 | 7,354 |
Long-term debt | 22,604 | 20,382 |
Shareholders’ Equity |  |  |
Equity | 20,037 | 18,847 |
TOTAL LIABILITIES AND EQUITY | 63,116 | 62,895 |
Parent Company |  |  |
Current Assets |  |  |
Cash and temporary cash investments | 19 | 144 |
Accounts receivable - customers, less allowance for uncollectible accounts | 0 | 1 |
Taxes receivable | 3 | 18 |
Accounts receivable from affiliated companies | 1,199 | 1,256 |
Prepayments | 28 | 62 |
Other current assets | 14 | 12 |
TOTAL CURRENT ASSETS | 1,263 | 1,493 |
Investments in subsidiaries and others | 19,951 | 18,670 |
Goodwill | 406 | 406 |
Deferred income tax | 0 | 55 |
Long-term debt receivable from affiliated companies | 0 | 875 |
TOTAL ASSETS | 21,620 | 21,499 |
Current Liabilities |  |  |
Long-term debt due within one year | 293 | 1,178 |
Notes payable | 50 | 0 |
Accounts payable | 1 | 0 |
Accounts payable to affiliated companies | 517 | 517 |
Accrued taxes | 2 | 6 |
Other current liabilities | 9 | 12 |
TOTAL CURRENT LIABILITIES | 872 | 1,713 |
Deferred income tax | 64 | 0 |
Total Liabilities | 936 | 1,713 |
Long-term debt | 647 | 939 |
Shareholders’ Equity |  |  |
Common stock, including additional paid-in capital | 9,748 | 8,844 |
Retained earnings | 10,289 | 10,003 |
Equity | 20,037 | 18,847 |
TOTAL LIABILITIES AND EQUITY | $ 21,620 | $ 21,499 |

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