Long-Term Debt and Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Principal and Carrying Amounts of Debt

Principal and Carrying Amounts of Debt

	As of December 31, 2014				As of December 31, 2013
	Principal		Carrying Value		Principal		Carrying Value
	(in millions)
AGUS:
7.0% Senior Notes	$	200	$	198	$	200	$	198
5.0% Senior Notes	500		499		—		—
Series A Enhanced Junior Subordinated Debentures	150		150		150		150
Total AGUS	850		847		350		348
AGMH:
67/8% QUIBS	100		68		100		68
6.25% Notes	230		139		230		138
5.60% Notes	100		55		100		55
Junior Subordinated Debentures	300		175		300		169
Total AGMH	730		437		730		430
AGM:
Notes Payable	16		19		34		38
Total AGM	16		19		34		38
Total	$	1,596	$	1,303	$	1,114	$	816

Expected Maturity Schedule of Debt

Expected Maturity Schedule of Debt

Expected Withdrawal Date	AGUS		AGMH		AGM		Total
	(in millions)
2015	$	—	$	—	$	7	$	7
2016	—		—		3		3
2017	—		—		3		3
2018	—		—		2		2
2019	—		—		1		1
2020-2039	700		—		—		700
2040-2059	—		—		—		—
2060-2079	150		300		—		450
Thereafter	—		430		—		430
Total	$	850	$	730	$	16	$	1,596

Schedule of Interest Expense

Interest Expense

	Year Ended December 31,
	2014		2013		2012
	(in millions)
AGUS:
7.0% Senior Notes	$	13	$	13	$	13
5.0% Senior Notes	13		—		—
8.50% Senior Notes	—		—		8
Series A Enhanced Junior Subordinated Debentures	10		10		10
Total AGUS	36		23		31
AGMH:
67/8% QUIBS	7		7		7
6.25% Notes	16		16		16
5.60% Notes	6		6		6
Junior Subordinated Debentures	25		25		25
Total AGMH	54		54		54
AGM:
Notes Payable	2		5		7
Total AGM	2		5		7
Total	$	92	$	82	$	92