Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

The carrying value of long-term debt consisted of the following (in millions):

	September 30, 2012		December 31, 2011
Direct obligations of AFG:
9-7/8% Senior Notes due June 2019	$	350	$	350
6-3/8% Senior Notes due June 2042	230		—
5-3/4% Senior Notes due August 2042	125		—
7% Senior Notes due September 2050	132		132
7-1/8% Senior Debentures due February 2034	—		115
Other	3		3
	840		600
Subsidiaries:
Obligations of AAG Holding (guaranteed by AFG):
7-1/2% Senior Debentures due November 2033	—		112
7-1/4% Senior Debentures due January 2034	—		86
Notes payable secured by real estate due 2012 through 2016	63		64
Secured borrowings ($16 and $17 guaranteed by AFG)	21		30
National Interstate bank credit facility	22		22
	106		314
Payable to Subsidiary Trusts:
AAG Holding Variable Rate Subordinated Debentures due May 2033	20		20
	$	966	$	934

Summary of secured and unsecured long-term debt

	September 30, 2012		December 31, 2011
Unsecured obligations	$	882	$	840
Obligations secured by real estate	63		64
Other secured borrowings	21		30
	$	966	$	934