Financing (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Credit Arrangements by Company

The following table outlines the committed credit arrangements by company as of September 30, 2018:

	Expires												Executable Term Loans		Expires Within One Year
Company	2018		2019		2020		2022		Total		Unused		One Year		Term Out		No Term Out
	(in millions)
Southern Company(a)	$	—	$	—	$	—	$	2,000	$	2,000	$	1,999	$	—	$	—	$	—
Alabama Power	—		33		500		800		1,333		1,333		—		—		33
Georgia Power	—		—		—		1,750		1,750		1,736		—		—		—
Gulf Power	20		25		235		—		280		280		45		45		—
Mississippi Power	—		100		—		—		100		100		—		—		—
Southern Power Company(b)	—		—		—		750		750		728		—		—		—
Southern Company Gas(c)	—		—		—		1,900		1,900		1,895		—		—		—
Other	—		30		—		—		30		30		—		—		30
Southern Company Consolidated	$	20	$	188	$	735	$	7,200	$	8,143	$	8,101	$	45	$	45	$	63

(a) Represents the Southern Company parent entity.

(b) Does not include Southern Power Company's $120 million continuing letter of credit facility for standby letters of credit expiring in 2019, of which $22 million remains unused at September 30, 2018.

(c) Southern Company Gas, as the parent entity, guarantees the obligations of Southern Company Gas Capital, which is the borrower of $1.4 billion of these arrangements. Southern Company Gas' committed credit arrangements also include $500 million for which Nicor Gas is the borrower and which is restricted for working capital needs of Nicor Gas.

Schedule of Long-term Debt Financing Activities

The following table outlines the long-term debt financing activities for Southern Company and its subsidiaries for the first nine months of 2018:

Company	Senior Note Issuances		Senior Note Maturities, Redemptions, and Repurchases		Revenue Bond Maturities, Redemptions, and Repurchases		Other Long-Term Debt Issuances		Other Long-Term Debt Redemptions and Maturities(a)
	(in millions)
Southern Company(b)	$	750	$	1,000	$	—	$	—	$	—
Alabama Power	500		—		—		—		—
Georgia Power	—		1,000		469		—		107
Mississippi Power	600		—		43		—		900
Southern Power	—		350		—		—		420
Southern Company Gas	—		—		200		100		—
Other	—		—		—		—		10
Elimination(c)	—		—		—		—		(1		)
Southern Company Consolidated	$	1,850	$	2,350	$	712	$	100	$	1,436

(a) Includes reductions in capital lease obligations resulting from cash payments under capital leases.

(b) Represents the Southern Company parent entity.

(c) Represents reductions in affiliate capital lease obligations at Georgia Power, which are eliminated in Southern Company's Consolidated Financial Statements.