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v3.20.1

Segments (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 USD ($) Subsidiaries Segment | Mar. 31, 2019 USD ($)
Segment [Abstract] |  |  |
Number of reportable segments | Segment |  | 5 |
Number of individual operating subsidiaries | Subsidiaries |  | 4 |
Revenues [Abstract] |  |  |
Insurance premiums |  | $ 1,869 | $ 1,803
Net investment income (loss) |  | 163 | 657
Investment gains (losses) | [1] | (216) | 31
Non-insurance warranty revenue |  | 301 | 281
Operating revenues and other |  | 982 | 985
Total |  | 3,099 | 3,757
Expenses [Abstract] |  |  |
Insurance claims and policyholders' benefits |  | 1,425 | 1,357
Amortization of deferred acquisition costs |  | 344 | 342
Non-insurance warranty expense |  | 281 | 260
Operating expenses and other |  | 2,026 | 1,149
Interest |  | 144 | 141
Total |  | 4,220 | 3,249
Income (loss) before income tax |  | (1,121) | 508
Income tax (expense) benefit |  | 77 | (112)
Net income (loss) |  | (1,044) | 396
Amounts attributable to noncontrolling interests |  | 412 | (2)
Net income (loss) attributable to Loews Corporation |  | (632) | 394
Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Insurance premiums |  | 1,869 | 1,803
Net investment income (loss) |  | 163 | 657
Investment gains (losses) |  | (216) | 31
Non-insurance warranty revenue |  | 301 | 281
Operating revenues and other |  | 982 | 985
Total |  | 3,099 | 3,757
Expenses [Abstract] |  |  |
Insurance claims and policyholders' benefits |  | 1,425 | 1,357
Amortization of deferred acquisition costs |  | 344 | 342
Non-insurance warranty expense |  | 281 | 260
Operating expenses and other |  | 2,026 | 1,149
Interest |  | 144 | 141
Total |  | 4,220 | 3,249
Income (loss) before income tax |  | (1,121) | 508
Income tax (expense) benefit |  | 77 | (112)
Net income (loss) |  | (1,044) | 396
Amounts attributable to noncontrolling interests |  | 412 | (2)
Net income (loss) attributable to Loews Corporation |  | (632) | 394
CNA Financial [Member] | Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Insurance premiums |  | 1,869 | 1,803
Net investment income (loss) |  | 329 | 571
Investment gains (losses) |  | (216) | 31
Non-insurance warranty revenue |  | 301 | 281
Operating revenues and other |  | 8 | 9
Total |  | 2,291 | 2,695
Expenses [Abstract] |  |  |
Insurance claims and policyholders' benefits |  | 1,425 | 1,357
Amortization of deferred acquisition costs |  | 344 | 342
Non-insurance warranty expense |  | 281 | 260
Operating expenses and other |  | 300 | 284
Interest |  | 31 | 34
Total |  | 2,381 | 2,277
Income (loss) before income tax |  | (90) | 418
Income tax (expense) benefit |  | 28 | (77)
Net income (loss) |  | (62) | 341
Amounts attributable to noncontrolling interests |  | 7 | (36)
Net income (loss) attributable to Loews Corporation |  | (55) | 305
Diamond Offshore [Member] | Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Net investment income (loss) |  |  | 2
Operating revenues and other |  | 234 | 234
Total |  | 234 | 236
Expenses [Abstract] |  |  |
Operating expenses and other |  | 1,080 | 283
Interest |  | 32 | 30
Total |  | 1,112 | 313
Income (loss) before income tax |  | (878) | (77)
Income tax (expense) benefit |  | 21 | 6
Net income (loss) |  | (857) | (71)
Amounts attributable to noncontrolling interests |  | 405 | 34
Net income (loss) attributable to Loews Corporation |  | (452) | (37)
Boardwalk Pipeline [Member] | Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Operating revenues and other |  | 341 | 346
Total |  | 341 | 346
Expenses [Abstract] |  |  |
Operating expenses and other |  | 211 | 195
Interest |  | 42 | 45
Total |  | 253 | 240
Income (loss) before income tax |  | 88 | 106
Income tax (expense) benefit |  | (23) | (27)
Net income (loss) |  | 65 | 79
Net income (loss) attributable to Loews Corporation |  | 65 | 79
Loews Hotels & Co [Member] | Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Operating revenues and other |  | 142 | 180
Total |  | 142 | 180
Expenses [Abstract] |  |  |
Operating expenses and other |  | 167 | 156
Interest |  | 8 | 5
Total |  | 175 | 161
Income (loss) before income tax |  | (33) | 19
Income tax (expense) benefit |  | 8 | (6)
Net income (loss) |  | (25) | 13
Net income (loss) attributable to Loews Corporation |  | (25) | 13
Corporate [Member] | Operating Segments [Member] |  |  |
Revenues [Abstract] |  |  |
Net investment income (loss) |  | (166) | 84
Operating revenues and other |  | 257 | 216
Total |  | 91 | 300
Expenses [Abstract] |  |  |
Operating expenses and other |  | 268 | 231
Interest |  | 31 | 27
Total |  | 299 | 258
Income (loss) before income tax |  | (208) | 42
Income tax (expense) benefit |  | 43 | (8)
Net income (loss) |  | (165) | 34
Net income (loss) attributable to Loews Corporation |  | $ (165) | $ 34
[1] | Gross investment gains on available-for-sale securities were $29 and $36 for the three months ended March 31, 2020 and 2019. Gross investment losses on available-for-sale securities were $104 and $42 for the three months ended March 31, 2020 and 2019. During the three months ended March 31, 2020 and 2019, $133 of net investment losses and $42 of net investment gains were recognized due to the change in fair value of non-redeemable preferred stock still held as of March 31, 2020 and 2019.

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