AFFILIATED TRANSACTIONS	12 Months Ended
AFFILIATED TRANSACTIONS	Dec. 31, 2016
Affiliated Transaction [Line Items]
AFFILIATED TRANSACTIONS	AFFILIATED TRANSACTIONS The Company: The Company received cash distributions from equity-method investees of $3.7 million in 2016, $4.0 million in 2015 and $7.8 million in 2014. The Company made investments in equity-method investees of $5.5 million in 2016, $4.1 million in 2015 and $5.7 million in 2014. The Company and Consolidated SCE&G: SCE&G owns 40% of Canadys Refined Coal, LLC, which is involved in the manufacturing and sale of refined coal to reduce emissions. SCE&G accounts for this investment using the equity method. Consolidated SCE&G’s total purchases from this affiliate were $161.8 million in 2016, $233.2 million in 2015 and $260.3 million in 2014. Consolidated SCE&G’s total sales to this affiliate were $160.8 million in 2016, $232.0 million in 2015 and $259.0 million in 2014. The net of the total purchases and total sales are recorded in Other expenses on the consolidated statements of income (for the Company) and of comprehensive income (for Consolidated SCE&G). Consolidated SCE&G’s payable to this affiliate was $16.1 million at December 31, 2016 and $12.9 million at December 31, 2015. Consolidated SCE&G’s receivable from this affiliate was $16.0 million at December 31, 2016 and $12.8 million at December 31, 2015. Consolidated SCE&G: SCE&G purchases natural gas and related pipeline capacity from SCANA Energy to serve its retail gas customers and certain electric generation requirements. Such purchases totaled approximately $111.5 million in 2016, $128.5 million in 2015 and $195.7 million in 2014. SCE&G’s payables to SCANA Energy for such purchases were $8.8 million and $7.5 million as of December 31, 2016 and 2015, respectively. SCANA Services, on behalf of itself and its parent company, provides the following services to Consolidated SCE&G, which are rendered at direct or allocated cost: information systems, telecommunications, customer support, marketing and sales, human resources, corporate compliance, purchasing, financial, risk management, public affairs, legal, investor relations, gas supply and capacity management, strategic planning, general administrative and retirement benefits. In addition, SCANA Services processes and pays invoices for Consolidated SCE&G and is reimbursed. Costs for these services, including amounts capitalized, totaled $337.7 million in 2016, $300.0 million in 2015 and $292.2 million in 2014. Amounts expensed are recorded in Other operation and maintenance - nonconsolidated affiliate and Other expenses on the consolidated statements of comprehensive income. Consolidated SCE&G's payables to SCANA Services for these services were $63.5 million and $57.0 million at December 31, 2016 and 2015, respectively. Prior to January 31, 2015, CGT was a wholly-owned subsidiary of SCANA and transported natural gas to SCE&G to serve retail gas customers and certain electric generation requirements. SCE&G's purchases from CGT totaled approximately $3.4 million in 2015 and $30.0 million in 2014. Borrowings from and investments in an affiliated money pool are described in Note 4. SCE&G's participation in SCANA's noncontributory defined benefit pension plan and unfunded postretirement health care and life insurance programs is described in Note 8.
SCE&G
Affiliated Transaction [Line Items]
AFFILIATED TRANSACTIONS	The Company and Consolidated SCE&G: SCE&G owns 40% of Canadys Refined Coal, LLC, which is involved in the manufacturing and sale of refined coal to reduce emissions. SCE&G accounts for this investment using the equity method. Consolidated SCE&G’s total purchases from this affiliate were $161.8 million in 2016, $233.2 million in 2015 and $260.3 million in 2014. Consolidated SCE&G’s total sales to this affiliate were $160.8 million in 2016, $232.0 million in 2015 and $259.0 million in 2014. The net of the total purchases and total sales are recorded in Other expenses on the consolidated statements of income (for the Company) and of comprehensive income (for Consolidated SCE&G). Consolidated SCE&G’s payable to this affiliate was $16.1 million at December 31, 2016 and $12.9 million at December 31, 2015. Consolidated SCE&G’s receivable from this affiliate was $16.0 million at December 31, 2016 and $12.8 million at December 31, 2015. Consolidated SCE&G: SCE&G purchases natural gas and related pipeline capacity from SCANA Energy to serve its retail gas customers and certain electric generation requirements. Such purchases totaled approximately $111.5 million in 2016, $128.5 million in 2015 and $195.7 million in 2014. SCE&G’s payables to SCANA Energy for such purchases were $8.8 million and $7.5 million as of December 31, 2016 and 2015, respectively. SCANA Services, on behalf of itself and its parent company, provides the following services to Consolidated SCE&G, which are rendered at direct or allocated cost: information systems, telecommunications, customer support, marketing and sales, human resources, corporate compliance, purchasing, financial, risk management, public affairs, legal, investor relations, gas supply and capacity management, strategic planning, general administrative and retirement benefits. In addition, SCANA Services processes and pays invoices for Consolidated SCE&G and is reimbursed. Costs for these services, including amounts capitalized, totaled $337.7 million in 2016, $300.0 million in 2015 and $292.2 million in 2014. Amounts expensed are recorded in Other operation and maintenance - nonconsolidated affiliate and Other expenses on the consolidated statements of comprehensive income. Consolidated SCE&G's payables to SCANA Services for these services were $63.5 million and $57.0 million at December 31, 2016 and 2015, respectively. Prior to January 31, 2015, CGT was a wholly-owned subsidiary of SCANA and transported natural gas to SCE&G to serve retail gas customers and certain electric generation requirements. SCE&G's purchases from CGT totaled approximately $3.4 million in 2015 and $30.0 million in 2014. Borrowings from and investments in an affiliated money pool are described in Note 4. SCE&G's participation in SCANA's noncontributory defined benefit pension plan and unfunded postretirement health care and life insurance programs is described in Note 8.