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Deferred Policy Acquisition Costs - Progression of deferred policy acquisition costs (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward] |  |  |
Deferred policy acquisition costs and present value of future profits, beginning balance |  | $ 1,037 | $ 1,682
Deferred policy acquisition costs and present value of future profits, additions |  | 208 | 252
Deferred policy acquisition costs and present value of future profits, periodic amortization |  | (273) | (195)
Deferred policy acquisition costs and present value of future profits, change included in realized gains |  | 10 | 2
Deferred policy acquisition costs and present value of future profits, foreign currency translation |  | 0 | 1
Deferred policy acquisition costs and present value of future profits, change in unrealized |  | 591 | (295)
Deferred policy acquisition costs and present value of future profits, ending balance |  | 1,573 | 1,447
P&C |  |  |
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |  |  |
Deferred policy acquisition costs, beginning balance |  | 322 | 299
Deferred policy acquisition costs, additions |  | 158 | 187
Deferred policy acquisition costs, periodic amortization |  | (170) | (175)
Deferred policy acquisition costs, foreign currency translation |  | 0 | 1
Deferred policy acquisition costs, ending balance |  | 310 | 312
Annuity and Other |  |  |
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |  |  |
Deferred policy acquisition costs, beginning balance |  | 1,303 | 1,285
Deferred policy acquisition costs, additions |  | 49 | 64
Deferred policy acquisition costs, periodic amortization |  | (98) | (15)
Deferred policy acquisition costs, change included in realized gains |  | 10 | 2
Deferred policy acquisition costs, ending balance |  | 1,264 | 1,336
Movement in Deferred Sales Inducements [Roll Forward] |  |  |
Deferred sales inducements, beginning balance |  | 75 | 86
Deferred sales inducements, additions |  | 1 | 1
Deferred sales inducements, periodic amortization |  | (3) | (3)
Deferred sales inducements, change included in realized gains |  | 0 | 0
Deferred sales inducements, ending balance |  | 73 | 84
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Present value of future profits, beginning balance |  | 36 | 42
Present value of future profits, periodic amortization |  | (2) | (2)
Present value of future profits, ending balance |  | 34 | 40
Movement in Unrealized Gains (Losses) Related to Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward] |  |  |
Unrealized investment gains (losses), beginning balance | [1] | (699) | (30)
Unrealized investment gains (losses), change in unrealized | [1] | 591 | (295)
Unrealized investment gains (losses), ending balance | [1] | (108) | (325)
Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward] |  |  |
Deferred policy acquisition costs and present value of future profits, beginning balance |  | 715 | 1,383
Deferred policy acquisition costs and present value of future profits, additions |  | 50 | 65
Deferred policy acquisition costs and present value of future profits, periodic amortization |  | (103) | (20)
Deferred policy acquisition costs and present value of future profits, change included in realized gains |  | 10 | 2
Deferred policy acquisition costs and present value of future profits, change in unrealized |  | 591 | (295)
Deferred policy acquisition costs and present value of future profits, ending balance |  | 1,263 | 1,135
Excluding Unrealized Gains | Annuity and Other |  |  |
Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward] |  |  |
Deferred policy acquisition costs and present value of future profits, beginning balance |  | 1,414 | 1,413
Deferred policy acquisition costs and present value of future profits, change in unrealized |  | 0 | 0
Deferred policy acquisition costs and present value of future profits, ending balance |  | $ 1,371 | $ 1,460
[1] | Adjustments to DPAC related to net unrealized gains/losses on securities and cash flow hedges.

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