Financing (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Credit Arrangements by Company

The following table outlines the committed credit arrangements by company as of June 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	2		31		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		—		—		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	$	122	$	86	$	735	$	7,200	$	8,143	$	8,101	$	45	$	45	$	163

(a) Represents the Southern Company parent entity.

(b) Does not include Southern Power's $120 million continuing letter of credit facility for standby letters of credit expiring in 2019, of which $23 million remains unused at June 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 six months of 2018:

Company	Senior Note Issuances		Senior Note Maturities, Redemptions, and Repurchases		Revenue Bond Maturities, Redemptions, and Repurchases		Other Long-Term Debt Redemptions and Maturities(*)
	(in millions)
Alabama Power	$	500	$	—	$	—	$	—
Georgia Power	—		1,000		398		104
Mississippi Power	600		—		—		900
Southern Power	—		350		—		420
Southern Company Gas	—		—		200		—
Other	—		—		—		7
Southern Company Consolidated	$	1,100	$	1,350	$	598	$	1,431

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