Variable Interest Entities ("VIE's") (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Oct. 01, 2015	Dec. 31, 2014	Aug. 01, 2011	Dec. 31, 2010
Variable Interest Entities [Abstract]
Note Issued By A Statutory Trust In A Private Placement Offering				$ 100
Outstanding Principal Balance of Surplus Note Issued By LRCVV And Held By LFLLCI	$ 479
Long-Term Senior Note Issued In Exchange For Corporate Bond Afs Security					$ 500
Outstanding Principal Balance of Long-Term Senior Note Issued In Exchange For Corporate Bond AFS Security	767
Maxiumum Principal Balance of Long Term Senior Note Issued In Exchange For Corporate Bond AFS Security	1,100
Surplus Note Issued By Lincoln Reinsurance Company Of Vermont VI		$ 275
Outstanding Principal Balance Of Surplus Note Issued By Lincoln Reinsurance Company Of Vermont VI	336
Carrying Amount Of Investments In Qualified Affordable Housing Projects	$ 47		$ 60