v2.4.0.8

Segment Information (Operations By Segment) (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | $ 4,729 | $ 4,620 | $ 13,473 | $ 12,809
Net premiums earned | 4,754 | 4,610 | 13,056 | 12,250
Losses and loss expenses | 2,684 | 2,655 | 7,233 | 6,831
Policy benefits | 125 | 138 | 383 | 379
Policy acquisition costs | 825 | 678 | 2,311 | 1,957
Administrative expenses | 554 | 563 | 1,655 | 1,641
Underwriting income (loss) | 566 | 576 | 1,474 | 1,442
Net investment income | 566 | 522 | 1,675 | 1,587
Net realized gains (losses) including OTTI | (120) | 40 | (297) | 350
Interest expense | 70 | 72 | 213 | 205
(Gains) losses from fair value changes in separate account assets | 6 | (14) | (5) | (7)
Other | (25) | 9 | (56) | 29
Other (income) expense | (19) | (5) | (61) | 22
Income tax expense (benefit) | 176 | 155 | 402 | 392
Net income (loss) | 785 | 916 | 2,298 | 2,760
Insurance - North American P&C [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 1,541 | 1,500 | 4,594 | 4,313
Net premiums earned | 1,518 | 1,444 | 4,547 | 4,210
Losses and loss expenses | 1,053 | 963 | 3,009 | 2,791
Policy acquisition costs | 169 | 159 | 480 | 444
Administrative expenses | 165 | 153 | 501 | 437
Underwriting income (loss) | 131 | 169 | 557 | 538
Net investment income | 277 | 254 | 812 | 755
Net realized gains (losses) including OTTI | (5) | 9 | (25) | 63
Interest expense | 2 | 3 | 7 | 4
Other | (31) | (13) | (75) | (38)
Income tax expense (benefit) | 73 | 79 | 247 | 264
Net income (loss) | 359 | 363 | 1,165 | 1,126
Insurance - North American Agriculture [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Underwriting Income Including Losses Related to Crop Derivatives | 81 |  |  |
Net premiums written | 764 | 805 | 1,346 | 1,371
Net premiums earned | 766 | 849 | 1,199 | 1,252
Losses and loss expenses | 686 | 746 | 1,099 | 1,071
Policy acquisition costs | 41 | 32 | 69 | 56
Administrative expenses | 3 | 5 | 5 | 13
Underwriting income (loss) | 36 | 66 | 26 | 112
Net investment income | 6 | 6 | 19 | 19
Net realized gains (losses) including OTTI | 45 | 0 | 51 | 1
Interest expense | 0 | 0 | 0 | 0
Other | 7 | 8 | 24 | 24
Income tax expense (benefit) | 23 | 14 | 21 | 24
Net income (loss) | 57 | 50 | 51 | 84
Crop Derivative Gain or Loss | 45 |  |  |
Insurance - Overseas General [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 1,719 | 1,571 | 5,250 | 4,821
Net premiums earned | 1,726 | 1,611 | 5,047 | 4,633
Losses and loss expenses | 707 | 712 | 2,354 | 2,227
Policy acquisition costs | 418 | 349 | 1,206 | 1,048
Administrative expenses | 258 | 263 | 764 | 750
Underwriting income (loss) | 343 | 287 | 723 | 608
Net investment income | 130 | 128 | 398 | 396
Net realized gains (losses) including OTTI | (75) | (8) | (71) | 34
Interest expense | 2 | 1 | 4 | 4
Other | 6 | 14 | 8 | 30
Income tax expense (benefit) | 97 | 78 | 189 | 174
Net income (loss) | 293 | 314 | 849 | 830
Global Reinsurance [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net premiums written | 208 | 265 | 794 | 836
Net premiums earned | 255 | 239 | 800 | 731
Losses and loss expenses | 92 | 93 | 327 | 292
Policy acquisition costs | 74 | 52 | 201 | 148
Administrative expenses | 13 | 12 | 41 | 36
Underwriting income (loss) | 76 | 82 | 231 | 255
Net investment income | 81 | 66 | 238 | 209
Net realized gains (losses) including OTTI | 6 | (5) | (17) | 46
Interest expense | 1 | 2 | 4 | 4
Other | (10) | (7) | (39) | (13)
Income tax expense (benefit) | 11 | 16 | 31 | 31
Net income (loss) | 161 | 132 | 456 | 488
Life [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Life underwriting income | 88 |  |  |
Net premiums written | 497 | 479 | 1,489 | 1,468
Net premiums earned | 489 | 467 | 1,463 | 1,424
Losses and loss expenses | 145 | 141 | 442 | 443
Policy benefits | 125 | 138 | 383 | 379
Policy acquisition costs | 123 | 86 | 355 | 261
Administrative expenses | 71 | 85 | 212 | 256
Underwriting income (loss) | 25 | 17 | 71 | 85
Net investment income | 69 | 61 | 199 | 187
Net realized gains (losses) including OTTI | (89) | 43 | (237) | 206
Interest expense | 4 | 4 | 10 | 12
(Gains) losses from fair value changes in separate account assets | 6 | (14) | (5) | (7)
Other | (3) | 4 | 8 | 7
Income tax expense (benefit) | 12 | 10 | 34 | 33
Net income (loss) | (14) | 117 | (14) | 433
Corporate And Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Losses and loss expenses | 1 | 0 | 2 | 7
Policy acquisition costs |  | 0 |  | 0
Administrative expenses | 44 | 45 | 132 | 149
Underwriting income (loss) | (45) | (45) | (134) | (156)
Net investment income | 3 | 7 | 9 | 21
Net realized gains (losses) including OTTI | (2) | 1 | 2 | 0
Interest expense | 61 | 62 | 188 | 181
Other | 6 | 3 | 18 | 19
Income tax expense (benefit) | (40) | (42) | (120) | (134)
Net income (loss) | $ (71) | $ (60) | $ (209) | $ (201)

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- Definition Amount of gain or loss from fair value changes in crop dervatives reclassified from Net realized gains (losses) to Losses and loss expenses. + References No definition available. + Details
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- Definition Underwriting Income that includes the losses related to crop dervatives which were reclassified from Net realized gains (losses) to Losses and loss expenses. + References No definition available. + Details
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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