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Long-Term Debt (Based on Stated Maturity Dates Rather than Early Redemption Dates that Could be Elected by Instrument Holders) (Details) $ in Millions | Dec. 31, 2016 USD ($)
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Debt Instrument [Line Items] |
2017 | $ 1,711
2018 | 3,295
2019 | 3,371
2020 | 1,719
2021 | 2,169
Thereafter | 19,927
Total | $ 32,192
Weighted- average Coupon, 2017 (percentage) | 3.13%
Weighted- average Coupon, 2018 (percentage) | 3.62%
Weighted- average Coupon, 2019 (percentage) | 3.09%
Weighted- average Coupon, 2020 (percentage) | 2.07%
Weighted- average Coupon, 2021 (percentage) | 3.12%
Weighted- average Coupon, Thereafter (percentage) | 4.38%
Dominion Gas Holdings, LLC |
Debt Instrument [Line Items] |
2017 | $ 0
2018 | 0
2019 | 450
2020 | 700
2021 | 0
Thereafter | 2,413
Total | $ 3,563
Weighted- average Coupon, 2017 (percentage) |
Weighted- average Coupon, 2018 (percentage) |
Weighted- average Coupon, 2019 (percentage) | 2.50%
Weighted- average Coupon, 2020 (percentage) | 2.80%
Weighted- average Coupon, 2021 (percentage) |
Weighted- average Coupon, Thereafter (percentage) | 3.90%
Virginia Electric and Power Company |
Debt Instrument [Line Items] |
2017 | $ 679
2018 | 850
2019 | 350
2020 | 0
2021 | 0
Thereafter | 8,718
Total | $ 10,597
Weighted- average Coupon, 2017 (percentage) | 5.47%
Weighted- average Coupon, 2018 (percentage) | 4.17%
Weighted- average Coupon, 2019 (percentage) | 5.00%
Weighted- average Coupon, 2020 (percentage) |
Weighted- average Coupon, 2021 (percentage) |
Weighted- average Coupon, Thereafter (percentage) | 4.37%
Term Loans |
Debt Instrument [Line Items] |
2017 | $ 268
2018 | 20
2019 | 321
2020 | 19
2021 | 19
Thereafter | 308
Total | 955
Unsecured Senior Notes |
Debt Instrument [Line Items] |
2017 | 1,368
2018 | 3,275
2019 | 2,500
2020 | 700
2021 | 900
Thereafter | 16,122
Total | 24,865
Unsecured Senior Notes | Virginia Electric and Power Company |
Debt Instrument [Line Items] |
2017 | 604
2018 | 850
2019 | 350
2020 | 0
2021 | 0
Thereafter | 7,940
Total | 9,744
Tax-Exempt Financings |
Debt Instrument [Line Items] |
2017 | 75
2018 | 0
2019 | 0
2020 | 0
2021 | 0
Thereafter | 880
Total | 955
Tax-Exempt Financings | Virginia Electric and Power Company |
Debt Instrument [Line Items] |
2017 | 75
2018 | 0
2019 | 0
2020 | 0
2021 | 0
Thereafter | 778
Total | 853
Unsecured Junior Subordinated Notes Payable to Affiliated Trusts |
Debt Instrument [Line Items] |
2017 | 0
2018 | 0
2019 | 0
2020 | 0
2021 | 0
Thereafter | 10
Total | 10
Unsecured Junior Subordinated Notes |
Debt Instrument [Line Items] |
2017 | 0
2018 | 0
2019 | 550
2020 | 0
2021 | 550
Thereafter | 0
Total | 1,100
Unsecured Junior Subordinated Notes |
Debt Instrument [Line Items] |
2017 | 0
2018 | 0
2019 | 0
2020 | 0
2021 | 0
Thereafter | 1,907
Total | 1,907
Remarketable Subordinated Notes |
Debt Instrument [Line Items] |
2017 | 0
2018 | 0
2019 | 0
2020 | 1,000
2021 | 700
Thereafter | 700
Total | $ 2,400

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