Subsequent Event (Narrative) (Details) (Subsequent Event [Member], Note Purchase Agreement [Member], Affiliated Entity [Member], USD $) In Millions, unless otherwise specified	Aug. 12, 2013	Jul. 08, 2013
Subsequent Event [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		$ 1,800
Notes Receivable, Related Parties	0
Met Life Investors USA Insurance Company [Member]
Subsequent Event [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		438
Parent Company [Member]
Subsequent Event [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		$ 1,300