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Deferred Policy Acquisition Costs - Progression of deferred policy acquisition costs (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
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 |  | $ 1,682 | $ 1,216
Deferred policy acquisition costs and present value of future profits, additions |  | 252 | 219
Deferred policy acquisition costs and present value of future profits, periodic amortization |  | (195) | (230)
Deferred policy acquisition costs and present value of future profits, change included in realized gains |  | 2 | 3
Deferred policy acquisition costs and present value of future profits, foreign currency translation |  | 1 | 1
Deferred policy acquisition costs and present value of future profits, change in unrealized |  | (295) | 208
Deferred policy acquisition costs and present value of future profits, ending balance |  | 1,447 | 1,417
P&C |  |  |
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |  |  |
Deferred policy acquisition costs, beginning balance |  | 299 | 270
Deferred policy acquisition costs, additions |  | 187 | 162
Deferred policy acquisition costs, periodic amortization |  | (175) | (154)
Deferred policy acquisition costs, foreign currency translation |  | 1 | 1
Deferred policy acquisition costs, ending balance |  | 312 | 279
Annuity and Other |  |  |
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |  |  |
Deferred policy acquisition costs, beginning balance |  | 1,285 | 1,217
Deferred policy acquisition costs, additions |  | 64 | 57
Deferred policy acquisition costs, periodic amortization |  | (15) | (69)
Deferred policy acquisition costs, change included in realized gains |  | 2 | 3
Deferred policy acquisition costs, ending balance |  | 1,336 | 1,208
Movement in Deferred Sales Inducements [Roll Forward] |  |  |
Deferred sales inducements, beginning balance |  | 86 | 102
Deferred sales inducements, additions |  | 1 | 0
Deferred sales inducements, periodic amortization |  | (3) | (5)
Deferred sales inducements, change included in realized gains |  | 0 | 0
Deferred sales inducements, ending balance |  | 84 | 97
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Present value of future profits, beginning balance |  | 42 | 49
Present value of future profits, periodic amortization |  | (2) | (2)
Present value of future profits, ending balance |  | 40 | 47
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] | (30) | (422)
Unrealized investment gains (losses), change in unrealized | [1] | (295) | 208
Unrealized investment gains (losses), ending balance | [1] | (325) | (214)
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 |  | 1,383 | 946
Deferred policy acquisition costs and present value of future profits, additions |  | 65 | 57
Deferred policy acquisition costs and present value of future profits, periodic amortization |  | (20) | (76)
Deferred policy acquisition costs and present value of future profits, change included in realized gains |  | 2 | 3
Deferred policy acquisition costs and present value of future profits, change in unrealized |  | (295) | 208
Deferred policy acquisition costs and present value of future profits, ending balance |  | 1,135 | 1,138
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 |  | 1,413 | 1,368
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 |  | $ 1,460 | $ 1,352
[1] | Adjustments to DPAC related to net unrealized gains/losses on securities and cash flow hedges.

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