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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents Dominion Energy’s changes in AOCI by component, net of tax:
|  | Deferred gains and losses on derivatives- hedging activities |  |  | Unrealized gains and losses on investment securities |  |  | Unrecognized pension and other postretirement benefit costs |  |  | Other comprehensive loss from equity method investees |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (389 | ) |  | $ | 30 |  |  | $ | (1,322 | ) |  | $ | (2 | ) |  | $ | (1,683 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (107 | ) |  |  | 8 |  |  |  | (4 | ) |  |  | (1 | ) |  |  | (104 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | (6 | ) |  |  | (4 | ) |  |  | 20 |  |  |  | — |  |  |  | 10 |
Net current period other comprehensive income (loss) |  |  | (113 | ) |  |  | 4 |  |  |  | 16 |  |  |  | (1 | ) |  |  | (94 | )
Ending balance |  | $ | (502 | ) |  | $ | 34 |  |  | $ | (1,306 | ) |  | $ | (3 | ) |  | $ | (1,777 | )
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (248 | ) |  | $ | (2 | ) |  | $ | (1,286 | ) |  | $ | (2 | ) |  | $ | (1,538 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (27 | ) |  |  | (6 | ) |  |  | — |  |  |  | — |  |  |  | (33 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 30 |  |  |  | 3 |  |  |  | 18 |  |  |  | — |  |  |  | 51 |
Net current period other comprehensive income (loss) |  |  | 3 |  |  |  | (3 | ) |  |  | 18 |  |  |  | — |  |  |  | 18 |
Ending balance |  | $ | (245 | ) |  | $ | (5 | ) |  | $ | (1,268 | ) |  | $ | (2 | ) |  | $ | (1,520 | )
Nine Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (235 | ) |  | $ | 2 |  |  | $ | (1,465 | ) |  | $ | (2 | ) |  | $ | (1,700 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (209 | ) |  |  | 37 |  |  |  | 109 |  |  |  | (1 | ) |  |  | (64 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | (58 | ) |  |  | (5 | ) |  |  | 50 |  |  |  | — |  |  |  | (13 | )
Net current period other comprehensive income (loss) |  |  | (267 | ) |  |  | 32 |  |  |  | 159 |  |  |  | (1 | ) |  |  | (77 | )
Ending balance |  | $ | (502 | ) |  | $ | 34 |  |  | $ | (1,306 | ) |  | $ | (3 | ) |  | $ | (1,777 | )
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (302 | ) |  | $ | 747 |  |  | $ | (1,101 | ) |  | $ | (3 | ) |  | $ | (659 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 51 |  |  |  | (24 | ) |  |  | — |  |  |  | 1 |  |  |  | 28 |
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 71 |  |  |  | 4 |  |  |  | 60 |  |  |  | — |  |  |  | 135 |
Net current period other comprehensive income (loss) |  |  | 122 |  |  |  | (20 | ) |  |  | 60 |  |  |  | 1 |  |  |  | 163 |
Cumulative-effect of changes in accounting principle |  |  | (64 | ) |  |  | (732 | ) |  |  | (227 | ) |  |  | — |  |  |  | (1,023 | )
Less other comprehensive income attributable to noncontrolling interest |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Ending balance |  | $ | (245 | ) |  | $ | (5 | ) |  | $ | (1,268 | ) |  | $ | (2 | ) |  | $ | (1,520 | )
(1) | See table below for details about these reclassifications.
Reclassification out of Accumulated Other Comprehensive Income | The following table presents Dominion Energy’s reclassifications out of AOCI by component:
Details about AOCI components |  | Amounts reclassified from AOCI |  |  | Affected line item in the Consolidated Statements of Income
(millions) |  |  |  |  |  |
Three Months Ended September 30, 2019 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | (35 | ) |  | Operating revenue
|  |  | 2 |  |  | Purchased gas
Interest rate contracts |  |  | 14 |  |  | Interest and related charges
Foreign currency contracts |  |  | 12 |  |  | Other income
Total |  |  | (7 | ) |  |
Tax |  |  | 1 |  |  | Income tax expense
Total, net of tax |  | $ | (6 | ) |  |
Unrealized (gains) and losses on investment securities: |  |  |  |  |  |
Realized (gain) loss on sale of securities |  | $ | (5 | ) |  | Other income
Total |  |  | (5 | ) |  |
Tax |  |  | 1 |  |  | Income tax expense
Total, net of tax |  | $ | (4 | ) |  |
Unrecognized pension and other postretirement benefit costs: |  |  |  |  |  |
Amortization of prior-service costs (credits) |  | $ | (5 | ) |  | Other income
Amortization of actuarial losses |  |  | 31 |  |  | Other income
Total |  |  | 26 |  |  |
Tax |  |  | (6 | ) |  | Income tax expense
Total, net of tax |  | $ | 20 |  |  |
Three Months Ended September 30, 2018 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | 26 |  |  | Operating revenue
Interest rate contracts |  |  | 12 |  |  | Interest and related charges
Foreign currency contracts |  |  | 2 |  |  | Other income
Total |  |  | 40 |  |  |
Tax |  |  | (10 | ) |  | Income tax expense
Total, net of tax |  | $ | 30 |  |  |
Unrealized (gains) and losses on investment securities: |  |  |  |  |  |
Realized (gain) loss on sale of securities |  | $ | 3 |  |  | Other income
Total |  |  | 3 |  |  |
Tax |  |  | — |  |  | Income tax expense
Total, net of tax |  | $ | 3 |  |  |
Unrecognized pension and other postretirement benefit costs: |  |  |  |  |  |
Amortization of prior-service costs (credits) |  | $ | (5 | ) |  | Other income
Amortization of actuarial losses |  |  | 30 |  |  | Other income
Total |  |  | 25 |  |  |
Tax |  |  | (7 | ) |  | Income tax expense
Total, net of tax |  | $ | 18 |  |  |
Details about AOCI components |  | Amounts reclassified from AOCI |  |  | Affected line item in the Consolidated Statements of Income
(millions) |  |  |  |  |  |
Nine Months Ended September 30, 2019 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | (127 | ) |  | Operating revenue
|  |  | (1 | ) |  | Purchased gas
Interest rate contracts |  |  | 37 |  |  | Interest and related charges
Foreign currency contracts |  |  | 14 |  |  | Other income
Total |  |  | (77 | ) |  |
Tax |  |  | 19 |  |  | Income tax expense
Total, net of tax |  | $ | (58 | ) |  |
Unrealized (gains) and losses on investment securities: |  |  |  |  |  |
Realized (gain) loss on sale of securities |  | $ | (6 | ) |  | Other income
Total |  |  | (6 | ) |  |
Tax |  |  | 1 |  |  | Income tax expense
Total, net of tax |  | $ | (5 | ) |  |
Unrecognized pension and other postretirement benefit costs: |  |  |  |  |  |
Amortization of prior-service costs (credits) |  | $ | (18 | ) |  | Other income
Amortization of actuarial losses |  |  | 85 |  |  | Other income
Total |  |  | 67 |  |  |
Tax |  |  | (17 | ) |  | Income tax expense
Total, net of tax |  | $ | 50 |  |  |
Nine Months Ended September 30, 2018 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | 55 |  |  | Operating revenue
|  |  | 2 |  |  | Purchased gas
|  |  | (8 | ) |  | Electric fuel and other energy-related purchases
Interest rate contracts |  |  | 36 |  |  | Interest and related charges
Foreign currency contracts |  |  | 10 |  |  | Other income
Total |  |  | 95 |  |  |
Tax |  |  | (24 | ) |  | Income tax expense
Total, net of tax |  | $ | 71 |  |  |
Unrealized (gains) and losses on investment securities: |  |  |  |  |  |
Realized (gain) loss on sale of securities |  | $ | 5 |  |  | Other income
Total |  |  | 5 |  |  |
Tax |  |  | (1 | ) |  | Income tax expense
Total, net of tax |  | $ | 4 |  |  |
Unrecognized pension and other postretirement benefit costs: |  |  |  |  |  |
Amortization of prior-service costs (credits) |  | $ | (16 | ) |  | Other income
Amortization of actuarial losses |  |  | 91 |  |  | Other income
Total |  |  | 75 |  |  |
Tax |  |  | (15 | ) |  | Income tax expense
Total, net of tax |  | $ | 60 |  |  |
Virginia Electric and Power Company |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents Virginia Power’s changes in AOCI by component, net of tax:
|  | Deferred gains and losses on derivatives- hedging activities |  |  | Unrealized gains and losses on investment securities |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (30 | ) |  | $ | 4 |  |  | $ | (26 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (16 | ) |  |  | 1 |  |  |  | (15 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | (16 | ) |  |  | 1 |  |  |  | (15 | )
Ending balance |  | $ | (46 | ) |  | $ | 5 |  |  | $ | (41 | )
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (8 | ) |  | $ | (1 | ) |  | $ | (9 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 3 |  |  |  | — |  |  |  | 3 |
Amounts reclassified from AOCI: (gains) losses(1) |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 3 |  |  |  | — |  |  |  | 3 |
Ending balance |  | $ | (5 | ) |  | $ | (1 | ) |  | $ | (6 | )
Nine Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (13 | ) |  | $ | 1 |  |  | $ | (12 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (34 | ) |  |  | 5 |  |  |  | (29 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 1 |  |  |  | (1 | ) |  |  | — |
Net current period other comprehensive income (loss) |  |  | (33 | ) |  |  | 4 |  |  |  | (29 | )
Ending balance |  | $ | (46 | ) |  | $ | 5 |  |  | $ | (41 | )
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (12 | ) |  | $ | 74 |  |  | $ | 62 |
Other comprehensive income before reclassifications: gains (losses) |  |  | 10 |  |  |  | (2 | ) |  |  | 8 |
Amounts reclassified from AOCI: (gains) losses(1) |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 10 |  |  |  | (2 | ) |  |  | 8 |
Cumulative-effect of changes in accounting principle |  |  | (3 | ) |  |  | (73 | ) |  |  | (76 | )
Ending balance |  | $ | (5 | ) |  | $ | (1 | ) |  | $ | (6 | )
(1) | Virginia Power’s reclassifications out of AOCI were immaterial for both the three and nine months ended September 30, 2019 and 2018.
Dominion Energy Gas Holdings, LLC |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents Dominion Energy Gas’ changes in AOCI by component, net of tax:
|  | Deferred gains and losses on derivatives- hedging activities |  |  | Unrecognized pension costs |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (74 | ) |  | $ | (112 | ) |  | $ | (186 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (36 | ) |  |  | (1 | ) |  |  | (37 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 9 |  |  |  | 1 |  |  |  | 10 |
Net current period other comprehensive income (loss) |  |  | (27 | ) |  |  | — |  |  |  | (27 | )
Ending balance |  | $ | (101 | ) |  | $ | (112 | ) |  | $ | (213 | )
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (24 | ) |  | $ | (94 | ) |  | $ | (118 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 3 |  |  |  | — |  |  |  | 3 |
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 5 |  |  |  | 2 |  |  |  | 7 |
Net current period other comprehensive income (loss) |  |  | 8 |  |  |  | 2 |  |  |  | 10 |
Ending balance |  | $ | (16 | ) |  | $ | (92 | ) |  | $ | (108 | )
Nine Months Ended September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (25 | ) |  | $ | (144 | ) |  | $ | (169 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (87 | ) |  |  | 28 |  |  |  | (59 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 11 |  |  |  | 4 |  |  |  | 15 |
Net current period other comprehensive income (loss) |  |  | (76 | ) |  |  | 32 |  |  |  | (44 | )
Ending balance |  | $ | (101 | ) |  | $ | (112 | ) |  | $ | (213 | )
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (23 | ) |  | $ | (75 | ) |  | $ | (98 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | (4 | ) |  |  | — |  |  |  | (4 | )
Amounts reclassified from AOCI: (gains) losses(1) |  |  | 16 |  |  |  | 4 |  |  |  | 20 |
Net current period other comprehensive income (loss) |  |  | 12 |  |  |  | 4 |  |  |  | 16 |
Cumulative-effect of changes in accounting principle |  |  | (5 | ) |  |  | (21 | ) |  |  | (26 | )
Ending balance |  | $ | (16 | ) |  | $ | (92 | ) |  | $ | (108 | )
(1) | See table below for details about these reclassifications.
Reclassification out of Accumulated Other Comprehensive Income | The following table presents Dominion Energy Gas’ reclassifications out of AOCI by component:
Details about AOCI components |  | Amounts reclassified from AOCI |  |  | Affected line item in the Consolidated Statements of Income
(millions) |  |  |  |  |  |
Three Months Ended September 30, 2019 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | (2 | ) |  | Operating revenue
Interest rate contracts |  |  | 2 |  |  | Interest and related charges
Foreign currency contracts |  |  | 12 |  |  | Other income
Total |  |  | 12 |  |  |
Tax |  |  | (3 | ) |  | Income tax expense
Total, net of tax |  | $ | 9 |  |  |
Unrecognized pension costs: |  |  |  |  |  |
Actuarial losses |  | $ | 1 |  |  | Other income
Total |  |  | 1 |  |  |
Tax |  |  | — |  |  | Income tax expense
Total, net of tax |  | $ | 1 |  |  |
Three Months Ended September 30, 2018 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | 3 |  |  | Operating revenue
Interest rate contracts |  |  | 2 |  |  | Interest and related charges
Foreign currency contracts |  |  | 2 |  |  | Other income
Total |  |  | 7 |  |  |
Tax |  |  | (2 | ) |  | Income tax expense
Total, net of tax |  | $ | 5 |  |  |
Unrecognized pension costs: |  |  |  |  |  |
Actuarial losses |  | $ | 2 |  |  | Other income
Total |  |  | 2 |  |  |
Tax |  |  | — |  |  | Income tax expense
Total, net of tax |  | $ | 2 |  |  |
Nine Months Ended September 30, 2019 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | (4 | ) |  | Operating revenue
Interest rate contracts |  |  | 5 |  |  | Interest and related charges
Foreign currency contracts |  |  | 14 |  |  | Other income
Total |  |  | 15 |  |  |
Tax |  |  | (4 | ) |  | Income tax expense
Total, net of tax |  | $ | 11 |  |  |
Unrecognized pension costs: |  |  |  |  |  |
Actuarial losses |  | $ | 5 |  |  | Other income
Total |  |  | 5 |  |  |
Tax |  |  | (1 | ) |  | Income tax expense
Total, net of tax |  | $ | 4 |  |  |
Nine Months Ended September 30, 2018 |  |  |  |  |  |
Deferred (gains) and losses on derivatives-hedging activities: |  |  |  |  |  |
Commodity contracts |  | $ | 8 |  |  | Operating revenue
Interest rate contracts |  |  | 4 |  |  | Interest and related charges
Foreign currency contracts |  |  | 10 |  |  | Other income
Total |  |  | 22 |  |  |
Tax |  |  | (6 | ) |  | Income tax expense
Total, net of tax |  | $ | 16 |  |  |
Unrecognized pension costs: |  |  |  |  |  |
Actuarial losses |  | $ | 5 |  |  | Other income
Total |  |  | 5 |  |  |
Tax |  |  | (1 | ) |  | Income tax expense
Total, net of tax |  | $ | 4 |  |  |

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