SCHEDULE I - CONSOLIDATED SUMMARY OF INVESTMENTS	12 Months Ended
	Dec. 31, 2021
Consolidated Summary of Investments [Abstract]
Consolidated Summary of Investments	THE LINCOLN NATIONAL LIFE INSURANCE COMPANYSCHEDULE I – CONSOLIDATED SUMMARY OF INVESTMENTS – OTHER THANINVESTMENTS IN RELATED PARTIES(in millions) Column A Column B Column C Column D As of December 31, 2021 Fair Carrying Type of Investment Cost Value Value Fixed Maturity Available-For-Sale Securities (1) Bonds: U.S. government bonds $ 348 $ 400 $ 400 Foreign government bonds 365 423 423 State and municipal bonds 5,113 6,377 6,377 Public utilities 13,325 15,452 15,452 All other corporate bonds 72,872 81,971 81,971 Mortgage-backed and asset-backed securities 12,107 12,401 12,401 Hybrid and redeemable preferred securities 396 487 487 Total fixed maturity available-for-sale securities 104,526 117,511 117,511 Equity Securities Common stocks: Banks, trusts and insurance companies 56 65 65 Industrial, miscellaneous and all other 35 64 64 Non-redeemable preferred securities 193 185 185 Total equity securities 284 314 314 Trading securities 4,121 4,427 4,427 Mortgage loans on real estate (2) 17,991 18,599 17,893 Policy loans 2,349 N/A 2,349 Derivative investments (3) 1,225 5,437 5,437 Other investments 3,449 3,449 3,449 Total investments $ 133,945 $ 151,380 (1)For investments deemed to have declines in value that are impairment-related, an allowance for credit losses is recorded to reduce the carrying value to their estimated realizable value.(2)Mortgage loans on real estate are generally carried at unpaid principal balances adjusted for amortization of premiums and accretion of discounts and are net of allowance for credit losses. We carry certain mortgage loans at fair value where the fair value option has been elected.(3)Derivative investment assets were offset by $249 million in derivative liabilities reflected in other liabilities on our Consolidated Balance Sheets.