Financing (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Credit Arrangements by Company

The following table outlines the committed credit arrangements by company as of September 30, 2017:

	Expires														Executable Term Loans				Expires Within One Year
Company	2017		2018		2019		2020		2022		Total		Unused		One Year		Two Years		Term Out		No Term Out
	(in millions)
Southern Company(a)	$	—	$	—	$	—	$	—	$	2,000	$	2,000	$	2,000	$	—	$	—	$	—	$	—
Alabama Power	—		35		—		500		800		1,335		1,335		—		—		—		35
Georgia Power	—		—		—		—		1,750		1,750		1,732		—		—		—		—
Gulf Power	30		195		25		30		—		280		280		45		—		—		40
Mississippi Power	100		—		—		—		—		100		100		—		—		—		100
Southern Power Company(b)	—		—		—		—		750		750		728		—		—		—		—
Southern Company Gas(c)	—		—		—		—		1,900		1,900		1,861		—		—		—		—
Other	—		30		—		—		—		30		30		20		—		20		10
Southern Company Consolidated	$	130	$	260	$	25	$	530	$	7,200	$	8,145	$	8,066	$	65	$	—	$	20	$	185

(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 $111 million has been used for letters of credit and $9 million remains unused at September 30, 2017.

(c) Southern Company Gas, as the parent entity, guarantees the obligations of Southern Company Gas Capital, which is the borrower of $1.2 billion of these arrangements. Southern Company Gas' committed credit arrangements also include $700 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 2017:

Company	Senior Note Issuances		Senior Note Maturities and Redemptions		Revenue Bond Maturities, Redemptions, and Repurchases		Other Long-Term Debt Issuances			Other Long-Term Debt Redemptions and Maturities(a)
	(in millions)
Southern Company(b)	$	300	$	400	$	—	$	500		$	400
Alabama Power	550		200		36		—			—
Georgia Power	1,350		450		65		370			13
Gulf Power	300		85		—		6			—
Mississippi Power	—		—		—		40			893
Southern Power	—		—		—		43			4
Southern Company Gas(c)	450		—		—		200			22
Other	—		—		—		—			12
Elimination(d)	—		—		—		(40		)	(599		)
Southern Company Consolidated	$	2,950	$	1,135	$	101	$	1,119		$	745

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

(b) Represents the Southern Company parent entity.

(c) The senior notes were issued by Southern Company Gas Capital and guaranteed by the Southern Company Gas parent entity. Other long-term debt issued represents first mortgage bonds issued by Nicor Gas.

(d) Includes intercompany loans from Southern Company to Mississippi Power and reductions in affiliate capital lease obligations at Georgia Power. These transactions are eliminated in Southern Company's Consolidated Financial Statements.