Schedule II Schedule II (STATEMENTS OF OPERATIONS - Parent Company Only) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Equity in net income of subsidiaries and affiliates									$ 119,000,000	$ 80,000,000	$ 32,000,000
Net realized gains (losses)	154,000,000	40,000,000	104,000,000	206,000,000	272,000,000	(60,000,000)	(394,000,000)	260,000,000	504,000,000	78,000,000	(795,000,000)
Total revenues	5,074,000,000	5,172,000,000	4,705,000,000	4,310,000,000	4,687,000,000	5,138,000,000	3,926,000,000	4,185,000,000	19,261,000,000	17,936,000,000	16,834,000,000
Administrative and other (income) expense									(2,211,000,000)	(2,096,000,000)	(2,068,000,000)
Income tax expense (benefit)									480,000,000	270,000,000	502,000,000
Total expenses									(15,023,000,000)	(14,960,000,000)	(14,792,000,000)
Net income	998,000,000	916,000,000	891,000,000	953,000,000	765,000,000	640,000,000	328,000,000	973,000,000	3,758,000,000	2,706,000,000	1,540,000,000
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									2,023,000,000	3,682,000,000	1,857,000,000
Parent Company Only
Condensed Financial Statements, Captions [Line Items]
Investment income, including intercompany interest income									34,000,000	34,000,000	39,000,000
Equity in net income of subsidiaries and affiliates									3,580,000,000	2,590,000,000	1,459,000,000
Net realized gains (losses)									0	17,000,000	(4,000,000)
Total revenues									3,614,000,000	2,641,000,000	1,494,000,000
Administrative and other (income) expense									(161,000,000)	(75,000,000)	(56,000,000)
Income tax expense (benefit)									17,000,000	10,000,000	10,000,000
Total expenses									(144,000,000)	(65,000,000)	(46,000,000)
Net income									3,758,000,000	2,706,000,000	1,540,000,000
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									$ 2,023,000,000	$ 3,682,000,000	$ 1,857,000,000