SCHEDULE I - CONSOLIDATED SUMMARY OF INVESTMENTS, OTHER THAN INVESTMENTS IN RELATED PARTIES	12 Months Ended
Dec. 31, 2021
Consolidated Summary of Investments, Other than Investments in Related Parties [Abstract]
Summary of Investments - Other than Investments in Related Parties Supplemental Schedule	LINCOLN NATIONAL CORPORATIONSCHEDULE 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 $ 375 $ 433 $ 433 Foreign government bonds 373 432 432 State and municipal bonds 5,322 6,621 6,621 Public utilities 13,785 15,997 15,997 All other corporate bonds 72,588 82,123 82,123 Mortgage-backed and asset-backed securities 12,325 12,636 12,636 Hybrid and redeemable preferred securities 409 504 504 Total fixed maturity available-for-sale securities 105,177 118,746 118,746 Equity Securities Common stocks: Banks, trusts and insurance companies 56 65 65 Industrial, miscellaneous and all other 36 68 68 Non-redeemable preferred securities 193 185 185 Total equity securities 285 318 318 Trading securities 4,170 4,482 4,482 Mortgage loans on real estate (2) 18,090 18,700 17,991 Policy loans 2,364 N/A 2,364 Derivative investments (3) 1,225 5,437 5,437 Other investments 4,292 4,292 4,292 Total investments $ 135,603 $ 153,630 (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 $677 million in derivative liabilities reflected in other liabilities on our Consolidated Balance Sheets.

SCHEDULE I - CONSOLIDATED SUMMARY OF INVESTMENTS, OTHER THAN INVESTMENTS IN RELATED PARTIES

12 Months Ended

Dec. 31, 2021

Consolidated Summary of Investments, Other than Investments in Related Parties [Abstract]

Summary of Investments - Other than Investments in Related Parties Supplemental Schedule

LINCOLN NATIONAL CORPORATIONSCHEDULE 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 $ 375 $ 433 $ 433 Foreign government bonds 373 432 432 State and municipal bonds 5,322 6,621 6,621 Public utilities 13,785 15,997 15,997 All other corporate bonds 72,588 82,123 82,123 Mortgage-backed and asset-backed securities 12,325 12,636 12,636 Hybrid and redeemable preferred securities 409 504 504 Total fixed maturity available-for-sale securities 105,177 118,746 118,746 Equity Securities Common stocks: Banks, trusts and insurance companies 56 65 65 Industrial, miscellaneous and all other 36 68 68 Non-redeemable preferred securities 193 185 185 Total equity securities 285 318 318 Trading securities 4,170 4,482 4,482 Mortgage loans on real estate (2) 18,090 18,700 17,991 Policy loans 2,364 N/A 2,364 Derivative investments (3) 1,225 5,437 5,437 Other investments 4,292 4,292 4,292 Total investments $ 135,603 $ 153,630 (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 $677 million in derivative liabilities reflected in other liabilities on our Consolidated Balance Sheets.