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v3.22.0.1

Condensed Parent Company Financial Statements (Condensed Balance Sheets) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Current assets: |  |  |
Other | $ 240 | $ 123 |
Total current assets | 1,069 | 887 |
Investments: |  |  |
Other | 179 | 154 |
Total investments | 517 | 485 |
Other assets | 1,980 | 2,002 |
Total assets | 18,553 | 17,710 | $ 16,701
Current liabilities: |  |  |
Commercial paper | 515 | 389 |
Other | 226 | 207 |
Total current liabilities | 2,054 | 1,297 |
Other liabilities | 388 | 374 |
Common Equity: |  |  |
Retained earnings | 3,250 | 2,994 |
Shares in deferred compensation trust | (12) | (11) |
Total common equity | 5,990 | 5,688 |
Total liabilities and equity | 18,553 | 17,710 |
Parent Company [Member] |  |  |
Current assets: |  |  |
Notes receivable from affiliated companies | 16 | 32 |
Other | 5 | 5 |
Total current assets | 21 | 37 |
Investments: |  |  |
Investments in consolidated subsidiaries | 7,061 | 6,664 |
Other | 2 | 2 |
Total investments | 7,063 | 6,666 |
Other assets | 96 | 88 |
Total assets | 7,180 | 6,791 |
Current liabilities: |  |  |
Commercial paper | 279 | 132 |
Notes payable to affiliated companies | 900 | 937 |
Other | 4 | 29 |
Total current liabilities | 1,183 | 1,098 |
Other liabilities | 2 | 2 |
Common Equity: |  |  |
Common stock and additional paid-in capital | 2,752 | 2,706 |
Retained earnings | 3,255 | 2,996 |
Shares in deferred compensation trust | (12) | (11) |
Total common equity | 5,995 | 5,691 |
Total liabilities and equity | $ 7,180 | $ 6,791 |

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