Long-Term Debt and Credit Facilities (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Principal and Carrying Amounts of Debt

Principal and Carrying Amounts of Debt

	As of March 31, 2013				As of December 31, 2012
	Principal		Carrying Value		Principal		Carrying Value
	(in millions)
AGUS:
7.0% Senior Notes	$	200	$	198	$	200	$	197
Series A Enhanced Junior Subordinated Debentures	150		150		150		150
Total AGUS	350		348		350		347
AGMH:
67/8% QUIBS	100		68		100		68
6.25% Notes	230		137		230		137
5.60% Notes	100		54		100		54
Junior Subordinated Debentures	300		165		300		164
Total AGMH	730		424		730		423
AGM:
Notes Payable	55		60		61		66
Total AGM	55		60		61		66
Total	$	1,135	$	832	$	1,141	$	836