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Reportable Segments (Tables) | 9 Months Ended
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Sep. 30, 2017
Segment Reporting [Abstract] |
Schedule of business segments revenue disclosures | Summarized revenue data for each of the Company’s reportable segments are as follows:
($ in millions) | Three months ended September 30, |  | Nine months ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Property-Liability |  |  |  |  |  |  |  |  |  |  |
Property-liability insurance premiums |  |  |  |  |  |  |  |  |  |  |
Auto | $ | 5,502 |  |  | $ | 5,353 |  |  | $ | 16,327 |  |  | $ | 15,879 |
Homeowners | 1,832 |  |  | 1,813 |  |  | 5,462 |  |  | 5,438 |
Other personal lines | 439 |  |  | 426 |  |  | 1,306 |  |  | 1,271 |
Commercial lines | 124 |  |  | 127 |  |  | 367 |  |  | 383 |
Other business lines | 146 |  |  | 150 |  |  | 429 |  |  | 435 |
SquareTrade | 78 |  |  | — |  |  | 207 |  |  | — |
Allstate Protection | 8,121 |  |  | 7,869 |  |  | 24,098 |  |  | 23,406 |
Discontinued Lines and Coverages | — |  |  | — |  |  | — |  |  | — |
Total property-liability insurance premiums | 8,121 |  |  | 7,869 |  |  | 24,098 |  |  | 23,406 |
Net investment income | 372 |  |  | 310 |  |  | 1,074 |  |  | 928 |
Realized capital gains and losses | 82 |  |  | 53 |  |  | 302 |  |  | (20 | )
Total Property-Liability | 8,575 |  |  | 8,232 |  |  | 25,474 |  |  | 24,314 |
Allstate Financial |  |  |  |  |  |  |  |  |  |  |
Life and annuity premiums and contract charges |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |
Traditional life insurance | 153 |  |  | 145 |  |  | 450 |  |  | 422 |
Accident and health insurance | 232 |  |  | 216 |  |  | 697 |  |  | 646 |
Total premiums | 385 |  |  | 361 |  |  | 1,147 |  |  | 1,068 |
Contract charges |  |  |  |  |  |  |
Interest-sensitive life insurance | 204 |  |  | 206 |  |  | 620 |  |  | 623 |
Fixed annuities | 4 |  |  | 4 |  |  | 10 |  |  | 10 |
Total contract charges | 208 |  |  | 210 |  |  | 630 |  |  | 633 |
Total life and annuity premiums and contract charges | 593 |  |  | 571 |  |  | 1,777 |  |  | 1,701 |
Net investment income | 461 |  |  | 427 |  |  | 1,383 |  |  | 1,281 |
Realized capital gains and losses | 21 |  |  | (21 | ) |  | 16 |  |  | (70 | )
Total Allstate Financial | 1,075 |  |  | 977 |  |  | 3,176 |  |  | 2,912 |
Corporate and Other |  |  |  |  |  |  |  |  |  |  |
Net investment income | 10 |  |  | 11 |  |  | 31 |  |  | 32 |
Realized capital gains and losses | — |  |  | 1 |  |  | — |  |  | (2 | )
Total Corporate and Other | 10 |  |  | 12 |  |  | 31 |  |  | 30 |
Consolidated revenues | $ | 9,660 |  |  | $ | 9,221 |  |  | $ | 28,681 |  |  | $ | 27,256 |
Schedule of business segments net income disclosures | Summarized financial performance data for each of the Company’s reportable segments are as follows:
($ in millions) | Three months ended September 30, |  | Nine months ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Property-Liability |  |  |  |  |  |  |  |  |  |  |
Underwriting income |  |  |  |  |  |  |  |  |  |  |
Allstate Protection | $ | 517 |  |  | $ | 455 |  |  | $ | 1,258 |  |  | $ | 518 |
Discontinued Lines and Coverages | (88 | ) |  | (100 | ) |  | (95 | ) |  | (104 | )
Total underwriting income | 429 |  |  | 355 |  |  | 1,163 |  |  | 414 |
Net investment income | 372 |  |  | 310 |  |  | 1,074 |  |  | 928 |
Income tax expense on operations | (252 | ) |  | (218 | ) |  | (703 | ) |  | (429 | )
Realized capital gains and losses, after-tax | 54 |  |  | 36 |  |  | 199 |  |  | (10 | )
Gain on disposition of operations, after-tax | 1 |  |  | — |  |  | 7 |  |  | — |
Property-Liability net income applicable to common shareholders | 604 |  |  | 483 |  |  | 1,740 |  |  | 903 |
Allstate Financial |  |  |  |  |  |  |  |  |  |  |
Life and annuity premiums and contract charges | 593 |  |  | 571 |  |  | 1,777 |  |  | 1,701 |
Net investment income | 461 |  |  | 427 |  |  | 1,383 |  |  | 1,281 |
Contract benefits and interest credited to contractholder funds | (629 | ) |  | (667 | ) |  | (1,935 | ) |  | (1,939 | )
Operating costs and expenses and amortization of deferred policy acquisition costs | (188 | ) |  | (194 | ) |  | (597 | ) |  | (577 | )
Restructuring and related charges | (1 | ) |  | — |  |  | (2 | ) |  | (1 | )
Income tax expense on operations | (79 | ) |  | (43 | ) |  | (206 | ) |  | (147 | )
Operating income | 157 |  |  | 94 |  |  | 420 |  |  | 318 |
Realized capital gains and losses, after-tax | 13 |  |  | (14 | ) |  | 9 |  |  | (46 | )
Valuation changes on embedded derivatives that are not hedged, after-tax | (1 | ) |  | — |  |  | (2 | ) |  | (8 | )
DAC and DSI amortization related to realized capital gains and losses and valuation changes on embedded derivatives that are not hedged, after-tax | (2 | ) |  | (1 | ) |  | (8 | ) |  | (3 | )
Gain on disposition of operations, after-tax | 1 |  |  | 1 |  |  | 3 |  |  | 3 |
Allstate Financial net income applicable to common shareholders | 168 |  |  | 80 |  |  | 422 |  |  | 264 |
Corporate and Other |  |  |  |  |  |  |  |  |  |
Net investment income | 10 |  |  | 11 |  |  | 31 |  |  | 32 |
Operating costs and expenses | (175 | ) |  | (80 | ) |  | (360 | ) |  | (238 | )
Income tax benefit on operations | 60 |  |  | 26 |  |  | 121 |  |  | 77 |
Preferred stock dividends | (29 | ) |  | (29 | ) |  | (87 | ) |  | (87 | )
Operating loss | (134 | ) |  | (72 | ) |  | (295 | ) |  | (216 | )
Realized capital gains and losses, after-tax | — |  |  | — |  |  | — |  |  | (1 | )
Business combination expenses, after-tax | (1 | ) |  | — |  |  | (14 | ) |  | — |
Corporate and Other net loss applicable to common shareholders | (135 | ) |  | (72 | ) |  | (309 | ) |  | (217 | )
Consolidated net income applicable to common shareholders | $ | 637 |  |  | $ | 491 |  |  | $ | 1,853 |  |  | $ | 950 |

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