v3.2.0.727

Segment Information (Operations By Segment) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | $ 4,784 | $ 4,559 | $ 8,860 | $ 8,744
Net premiums earned | 4,360 | 4,332 | 8,287 | 8,302
Losses and loss expenses | 2,417 | 2,388 | 4,539 | 4,549
Policy benefits | 153 | 144 | 295 | 258
Policy acquisition costs | 727 | 758 | 1,434 | 1,486
Administrative expenses | 578 | 566 | 1,132 | 1,101
Underwriting income (loss) | 485 | 476 | 887 | 908
Net investment income | 562 | 556 | 1,113 | 1,109
Net realized gains (losses) including OTTI | 126 | (73) | 37 | (177)
Interest expense | 71 | 72 | 139 | 143
(Gains) losses from fair value changes in separate account assets | (6) | (17) | (17) | (11)
Other | 23 | (8) | 29 | (31)
Other (income) expense | 17 | (25) | 12 | (42)
Income tax expense (benefit) | 143 | 133 | 263 | 226
Net income (loss) | 942 | 779 | 1,623 | 1,513
Insurance - North American P&C [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 1,975 | 1,635 | 3,405 | 3,053
Net premiums earned | 1,688 | 1,542 | 3,214 | 3,029
Losses and loss expenses | 1,120 | 1,016 | 2,155 | 1,956
Policy acquisition costs | 130 | 152 | 291 | 311
Administrative expenses | 189 | 175 | 360 | 336
Underwriting income (loss) | 249 | 199 | 408 | 426
Net investment income | 269 | 265 | 532 | 535
Net realized gains (losses) including OTTI | 0 | (11) | (6) | (20)
Interest expense | 2 | 2 | 4 | 5
Other | 23 | (24) | 16 | (44)
Income tax expense (benefit) | 89 | 91 | 169 | 174
Net income (loss) | 404 | 384 | 745 | 806
Insurance - North American Agriculture [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Underwriting Income Including Losses Related to Crop Derivatives | 21 |  |  |
Net premiums written | 379 | 388 | 467 | 582
Net premiums earned | 321 | 330 | 385 | 433
Losses and loss expenses | 271 | 287 | 293 | 413
Policy acquisition costs | 23 | 23 | 19 | 28
Administrative expenses | 4 | 1 | 3 | 2
Underwriting income (loss) | 23 | 19 | 70 | (10)
Net investment income | 6 | 6 | 12 | 13
Net realized gains (losses) including OTTI | (2) | 8 | (2) | 6
Interest expense | 0 | 0 | 0 | 0
Other | 8 | 9 | 16 | 17
Income tax expense (benefit) | 4 | 5 | 14 | (2)
Net income (loss) | 15 | 19 | 50 | (6)
Crop Derivative Gain or Loss | 2 |  |  |
Insurance - Overseas General [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 1,669 | 1,760 | 3,463 | 3,531
Net premiums earned | 1,644 | 1,709 | 3,281 | 3,321
Losses and loss expenses | 816 | 830 | 1,630 | 1,647
Policy acquisition costs | 396 | 402 | 785 | 788
Administrative expenses | 254 | 256 | 510 | 506
Underwriting income (loss) | 178 | 221 | 356 | 380
Net investment income | 139 | 136 | 277 | 268
Net realized gains (losses) including OTTI | 13 | 14 | 3 | 4
Interest expense | 1 | 1 | 2 | 2
Other | 8 | 8 | 25 | 2
Income tax expense (benefit) | 69 | 55 | 121 | 92
Net income (loss) | 252 | 307 | 488 | 556
Global Reinsurance [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 261 | 278 | 534 | 586
Net premiums earned | 220 | 261 | 446 | 545
Losses and loss expenses | 72 | 109 | 171 | 235
Policy acquisition costs | 60 | 60 | 114 | 127
Administrative expenses | 13 | 14 | 25 | 28
Underwriting income (loss) | 75 | 78 | 136 | 155
Net investment income | 79 | 80 | 154 | 157
Net realized gains (losses) including OTTI | 5 | (15) | (6) | (23)
Interest expense | 1 | 2 | 2 | 3
Other | (3) | (10) | (8) | (29)
Income tax expense (benefit) | 7 | 10 | 15 | 20
Net income (loss) | 154 | 141 | 275 | 295
Life [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Life underwriting income | 77 |  |  |
Net premiums written | 500 | 498 | 991 | 992
Net premiums earned | 487 | 490 | 961 | 974
Losses and loss expenses | 137 | 146 | 289 | 297
Policy benefits | 153 | 144 | 295 | 258
Policy acquisition costs | 118 | 121 | 225 | 232
Administrative expenses | 74 | 73 | 147 | 141
Underwriting income (loss) | 5 | 6 | 5 | 46
Net investment income | 66 | 66 | 132 | 130
Net realized gains (losses) including OTTI | 103 | (72) | 44 | (148)
Interest expense | 2 | 3 | 3 | 6
(Gains) losses from fair value changes in separate account assets | (6) | (17) | (17) | (11)
Other | (17) | 4 | (29) | 11
Income tax expense (benefit) | 10 | 12 | 19 | 22
Net income (loss) | 185 | (2) | 205 | 0
Corporate And Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Losses and loss expenses | 1 | 0 | 1 | 1
Policy acquisition costs |  | 0 |  | 0
Administrative expenses | 44 | 47 | 87 | 88
Underwriting income (loss) | (45) | (47) | (88) | (89)
Net investment income | 3 | 3 | 6 | 6
Net realized gains (losses) including OTTI | 7 | 3 | 4 | 4
Interest expense | 65 | 64 | 128 | 127
Other | 4 | 5 | 9 | 12
Income tax expense (benefit) | (36) | (40) | (75) | (80)
Net income (loss) | $ (68) | $ (70) | $ (140) | $ (138)

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