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Virginia Electric and Power Company Consolidated Statements of Equity (Unaudited) - USD ($) shares in Thousands, $ in Millions | Total | Common Stock | Retained Earnings | AOCI | Virginia Electric and Power Company | Virginia Electric and Power Company Common Stock | Virginia Electric and Power Company Other Paid-In Capital | Virginia Electric and Power Company Retained Earnings | Virginia Electric and Power Company AOCI
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2017 | $ 19,370 | $ 9,865 | $ 7,936 | $ (659) | $ 12,224 | $ 5,738 | $ 1,113 | $ 5,311 | $ 62
Beginning balance (in shares) at Dec. 31, 2017 |  | 645,000 |  |  |  | 275 |  |  |
Cumulative-effect of changes in accounting principles | 6 | $ (127) | 1,029 | (1,023) | 3 |  |  | 79 | (76)
Net income | 1,004 |  | 952 |  | 523 |  |  | 523 |
Dividends and distributions | (1,154) |  | (1,089) |  | (257) |  |  | (257) |
Other comprehensive income, net of tax | 145 |  |  | 144 | 5 |  |  |  | 5
Other | (13) | (5) | (8) |  | (1) |  |  | (1) |
Ending balance at Jun. 30, 2018 | 20,036 | $ 10,782 | 8,820 | (1,538) | 12,497 | $ 5,738 | 1,113 | 5,655 | (9)
Ending balance (in shares) at Jun. 30, 2018 |  | 654,000 |  |  |  | 275 |  |  |
Beginning balance at Mar. 31, 2018 | 20,042 | $ 10,316 | 8,924 | (1,551) | 12,262 | $ 5,738 | 1,113 | 5,420 | (9)
Beginning balance (in shares) at Mar. 31, 2018 |  | 653,000 |  |  |  | 275 |  |  |
Net income | 478 |  | 449 |  | 339 |  |  | 339 |
Dividends and distributions | (579) |  | (545) |  | (103) |  |  | (103) |
Other comprehensive income, net of tax | 13 |  |  | 13 |  |  |  |  |
Other | (9) |  | (8) |  | (1) |  |  | (1) |
Ending balance at Jun. 30, 2018 | 20,036 | $ 10,782 | 8,820 | (1,538) | 12,497 | $ 5,738 | 1,113 | 5,655 | (9)
Ending balance (in shares) at Jun. 30, 2018 |  | 654,000 |  |  |  | 275 |  |  |
Beginning balance at Dec. 31, 2018 | 22,048 | $ 12,588 | 9,219 | (1,700) | 13,047 | $ 5,738 | 1,113 | 6,208 | (12)
Beginning balance (in shares) at Dec. 31, 2018 |  | 681,000 |  |  |  | 275 |  |  |
Net income | (619) |  | (626) |  | 120 |  |  | 120 |
Dividends and distributions | (1,512) |  | (1,469) |  | (189) |  |  | (189) |
Other comprehensive income, net of tax | 17 |  |  | 17 | (14) |  |  |  | (14)
Ending balance at Jun. 30, 2019 | 28,381 | $ 20,660 | 7,124 | (1,683) | 12,964 | $ 5,738 | 1,113 | 6,139 | (26)
Ending balance (in shares) at Jun. 30, 2019 |  | 803,000 |  |  |  | 275 |  |  |
Beginning balance at Mar. 31, 2019 | 27,599 | $ 20,834 | 7,806 | (1,731) | 12,944 | $ 5,738 | 1,113 | 6,110 | (17)
Beginning balance (in shares) at Mar. 31, 2019 |  | 802,000 |  |  |  | 275 |  |  |
Net income | 58 |  | 54 |  | 100 |  |  | 100 |
Dividends and distributions | (746) |  | (736) |  | (71) |  |  | (71) |
Other comprehensive income, net of tax | 48 |  |  | 48 | (9) |  |  |  | (9)
Ending balance at Jun. 30, 2019 | $ 28,381 | $ 20,660 | $ 7,124 | $ (1,683) | $ 12,964 | $ 5,738 | $ 1,113 | $ 6,139 | $ (26)
Ending balance (in shares) at Jun. 30, 2019 |  | 803,000 |  |  |  | 275 |  |  |

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