Fair Value of Assets and Liabilities (Details 6) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Financial assets
Mortgage loans	$ 3,959	$ 4,173
Assets held for sale	15,390	15,593
Financial liabilities
Notes due to related parties	275	282
Liability for collateral	497	328	625	561
Liabilities held for sale	14,641	14,899
Carrying value
Financial assets
Mortgage loans	3,959	4,173
Cost method limited partnerships	603	605
Agent Loans	348	341
Bank loans	170	160
Notes due from related party	275	275
Assets held for sale	1,350	1,458
Financial liabilities
Contract holder funds on investment contracts	15,241	15,542
Notes due to related parties	275	282
Liability for collateral	497	328
Liabilities held for sale	7,166	7,417
Fair Value
Financial assets
Mortgage loans	4,148	4,300
Cost method limited partnerships	817	799
Agent Loans	344	325
Bank loans	171	161
Notes due from related party	275	275
Assets held for sale	1,436	1,532
Financial liabilities
Contract holder funds on investment contracts	15,941	16,198
Notes due to related parties	275	282
Liability for collateral	497	328
Liabilities held for sale	$ 7,127	$ 7,298