SHARE-BASED COMPENSATION	12 Months Ended
SHARE-BASED COMPENSATION	Dec. 31, 2018
Share-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	SHARE-BASED COMPENSATION The LTECP provided for grants of nonqualified and incentive stock options, stock appreciation rights, restricted stock, performance shares, performance units and restricted stock units to certain key employees and non-employee directors. The LTECP authorized the issuance of up to five million shares of SCANA’s common stock, no more than one million of which could be granted in the form of restricted stock. Compensation cost was measured based on the grant-date fair value of the instruments issued and was recognized over the period that an employee provided service in exchange for the award. Share-based payment awards did not have non-forfeitable rights to dividends or dividend equivalents. To the extent that the awards themselves did not vest, dividends or dividend equivalents which would have been paid on those awards did not vest. For all periods presented, performance cycles provided for performance measurement and award determination based on performance over a single three-year cycle, with payment of awards being deferred until after the end of the three-year performance cycle. In each of these performance cycles, 30% of the performance awards were granted in the form of restricted share units, which were liability awards payable in cash, and 70% of the awards were granted in performance shares, each of which had a value equal to, and changed with, the value of a share of SCANA common stock. Dividend equivalents were accrued on the performance shares and the restricted share units. Performance awards and related dividend equivalents were subject to forfeiture in the event of termination of employment prior to the end of the cycle, subject to certain exceptions. Payouts of performance share awards were determined by SCANA’s performance against pre-determined measures of TSR as compared to a peer group of utilities (weighted 50%) and growth in GAAP-adjusted net earnings per share (weighted 50%). Compensation cost of liability awards was recognized over their respective three-year performance periods based on the estimated fair value of the award, which was periodically updated based on expected ultimate cash payout, and was reduced by estimated forfeitures. Cash-settled liabilities related to performance cycles totaled approximately $5.5 million in 2018, $28.0 million in 2017 and $18.4 million in 2016 for the Company and approximately $3.5 million in 2018, $20.2 million in 2017 and $13.2 million in 2016 for Consolidated SCE&G. Fair value adjustments for all performance cycles resulted in compensation expense (benefit) recognized in the statements of operations totaling approximately $(1.7) million in 2018, $(9.0) million in 2017 and $25.6 million in 2016 for the Company and approximately $(0.9) million in 2018, $(6.3) million in 2017 and $17.3 million in 2016 for Consolidated SCE&G (including amounts allocated from SCANA Services). Such fair value adjustments also resulted in no capitalized compensation costs in 2018, $(1.3) million in 2017 and $3.3 million in 2016 for the Company and no capitalized compensation costs in 2018, $(0.9) million in 2017 and $3.1 million in 2016 for Consolidated SCE&G. In connection with the SCANA Combination, effective January 1, 2019, all grants discussed above were deemed to be vested at their target levels and were converted into the right to receive lump sum amounts based on the value of Dominion Energy stock at that time. As such, additional compensation cost of $28.6 million will be recorded in the first quarter of 2019 as a result of the merger. Related cash-settlement payments totaling $19.6 million were made in January 2019, and further lump sum amounts of $6.7 million and $9.1 million are expected to be paid in 2020 and 2021, respectively, to the extent that those later payments are not accelerated in connection with employee retirements or other separations prior to those dates.
SCE&G
Share-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	. SHARE-BASED COMPENSATION The LTECP provided for grants of nonqualified and incentive stock options, stock appreciation rights, restricted stock, performance shares, performance units and restricted stock units to certain key employees and non-employee directors. The LTECP authorized the issuance of up to five million shares of SCANA’s common stock, no more than one million of which could be granted in the form of restricted stock. Compensation cost was measured based on the grant-date fair value of the instruments issued and was recognized over the period that an employee provided service in exchange for the award. Share-based payment awards did not have non-forfeitable rights to dividends or dividend equivalents. To the extent that the awards themselves did not vest, dividends or dividend equivalents which would have been paid on those awards did not vest. For all periods presented, performance cycles provided for performance measurement and award determination based on performance over a single three-year cycle, with payment of awards being deferred until after the end of the three-year performance cycle. In each of these performance cycles, 30% of the performance awards were granted in the form of restricted share units, which were liability awards payable in cash, and 70% of the awards were granted in performance shares, each of which had a value equal to, and changed with, the value of a share of SCANA common stock. Dividend equivalents were accrued on the performance shares and the restricted share units. Performance awards and related dividend equivalents were subject to forfeiture in the event of termination of employment prior to the end of the cycle, subject to certain exceptions. Payouts of performance share awards were determined by SCANA’s performance against pre-determined measures of TSR as compared to a peer group of utilities (weighted 50%) and growth in GAAP-adjusted net earnings per share (weighted 50%). Compensation cost of liability awards was recognized over their respective three-year performance periods based on the estimated fair value of the award, which was periodically updated based on expected ultimate cash payout, and was reduced by estimated forfeitures. Cash-settled liabilities related to performance cycles totaled approximately $5.5 million in 2018, $28.0 million in 2017 and $18.4 million in 2016 for the Company and approximately $3.5 million in 2018, $20.2 million in 2017 and $13.2 million in 2016 for Consolidated SCE&G. Fair value adjustments for all performance cycles resulted in compensation expense (benefit) recognized in the statements of operations totaling approximately $(1.7) million in 2018, $(9.0) million in 2017 and $25.6 million in 2016 for the Company and approximately $(0.9) million in 2018, $(6.3) million in 2017 and $17.3 million in 2016 for Consolidated SCE&G (including amounts allocated from SCANA Services). Such fair value adjustments also resulted in no capitalized compensation costs in 2018, $(1.3) million in 2017 and $3.3 million in 2016 for the Company and no capitalized compensation costs in 2018, $(0.9) million in 2017 and $3.1 million in 2016 for Consolidated SCE&G. In connection with the SCANA Combination, effective January 1, 2019, all grants discussed above were deemed to be vested at their target levels and were converted into the right to receive lump sum amounts based on the value of Dominion Energy stock at that time. As such, additional compensation cost of $28.6 million will be recorded in the first quarter of 2019 as a result of the merger. Related cash-settlement payments totaling $19.6 million were made in January 2019, and further lump sum amounts of $6.7 million and $9.1 million are expected to be paid in 2020 and 2021, respectively, to the extent that those later payments are not accelerated in connection with employee retirements or other separations prior to those dates.