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Valuation and Qualifying Accounts (Tables) | 12 Months Ended
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Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation And Qualifying Accounts [Table Text Block] | REINSURANCE GROUP OF AMERICA, INCORPORATED SCHEDULE V—VALUATION AND QUALIFYING ACCOUNTS (in millions)
|  |  |  | Additions |  |  |  |
Description |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
2021 |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred income taxes |  | $ | 251 |  |  | $ | (18) |  |  | $ | (15) |  |  | $ | — |  |  | $ | 218 |
Allowance for credit losses for mortgage loans |  | 64 |  |  | — |  |  | — |  |  | 29 |  |  | 35 |
Allowance for credit losses for fixed maturity securities available-for-sale |  | 20 |  |  | 27 |  |  | — |  |  | 16 |  |  | 31 |
2020 |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred income taxes |  | $ | 236 |  |  | $ | (4) |  |  | $ | 19 |  |  | $ | — |  |  | $ | 251 |
Allowance for credit losses for mortgage loans (1) |  | 12 |  |  | 38 |  |  | 14 |  |  | — |  |  | 64 |
Allowance for credit losses for fixed maturity securities available-for-sale |  | — |  |  | 41 |  |  | — |  |  | 21 |  |  | 20 |
2019 |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred income taxes |  | $ | 181 |  |  | $ | 56 |  |  | $ | (1) |  |  | $ | — |  |  | $ | 236 |
Allowance for credit losses for mortgage loans |  | 11 |  |  | 1 |  |  | — |  |  | — |  |  | 12 |
(1)Upon adoption of Financial Instruments – Credits Losses on January 1, 2020, the Company increased the valuation allowance for mortgage loans by $14 million. The increase was reflected as a decrease to opening retained earnings, net of income taxes.

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- Definition A schedule of allowance and reserve accounts including their beginning and ending balances, as well as a reconciliation by type of activity during the period. Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements, table text block. + References No definition available. + Details
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- References No definition available. + Details
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