Income Taxes - Utilization of Opening Balance Sheet Deferred Tax Assets (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Utilization Of Opening Balance Sheet Deferred Tax Assets [Line Items]
Opening Balance Sheet Deferred Tax Assets After Valuation Allowance That Will Result In Additional Tax Expense	$ 734
Additional Tax Expense Recognized In Statement Of Operations 2009	13
Additional Tax Expense Recognized In Statement Of Operations 2010	6
Additional Tax Expense Recognized In Statement Of Operations 2011	223
Additional Tax Expense Recognized In Statement Of Operations 2012	384
Additional Tax Expense Recognized In Statement Of Operations 2013	55	108
Additional Tax Expense Recognized In Statement Of Operations 2014	32
Subtotal	713
Additional Tax Expense Benefit Recognized In Other Comprehensive Income	0
Unrecognized balance of additional tax expense	21
Gibraltar Life [Member]
Utilization Of Opening Balance Sheet Deferred Tax Assets [Line Items]
Opening Balance Sheet Deferred Tax Assets After Valuation Allowance That Will Result In Additional Tax Expense	56
Additional Tax Expense Recognized In Statement Of Operations 2009	13
Additional Tax Expense Recognized In Statement Of Operations 2010	6
Additional Tax Expense Recognized In Statement Of Operations 2011	(29)
Additional Tax Expense Recognized In Statement Of Operations 2012	51
Additional Tax Expense Recognized In Statement Of Operations 2013	15
Additional Tax Expense Recognized In Statement Of Operations 2014	0
Subtotal	56
Additional Tax Expense Benefit Recognized In Other Comprehensive Income	0
Unrecognized balance of additional tax expense	0
AIG Star Life Insurance Co Ltd AIG Edison Life Insurance Company and Related Entities [Member]
Utilization Of Opening Balance Sheet Deferred Tax Assets [Line Items]
Opening Balance Sheet Deferred Tax Assets After Valuation Allowance That Will Result In Additional Tax Expense	678
Additional Tax Expense Recognized In Statement Of Operations 2009	0
Additional Tax Expense Recognized In Statement Of Operations 2010	0
Additional Tax Expense Recognized In Statement Of Operations 2011	252
Additional Tax Expense Recognized In Statement Of Operations 2012	333
Additional Tax Expense Recognized In Statement Of Operations 2013	40
Additional Tax Expense Recognized In Statement Of Operations 2014	32
Subtotal	657
Additional Tax Expense Benefit Recognized In Other Comprehensive Income	0
Unrecognized balance of additional tax expense	$ 21