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Schedule III - Income Statement Captions (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Supplementary Insurance Information By Segment [Line Items] |  |  |  |
Premiums and escrow fees |  | $ 7,355 | $ 5,747 | $ 5,032
Net investment income (1) | [1] | 651 | 326 | 382
Loss provision |  | 589 | 580 | 446
Amortization of deferred policy acquisition costs (credits) |  | 11 | (2) | (1)
Other operating expenses |  | 1,323 | 1,119 | 923
Premiums written |  | 450 | 520 | 482
Operating Segments | Title Insurance and Services |  |  |  |
Supplementary Insurance Information By Segment [Line Items] |  |  |  |
Premiums and escrow fees |  | 6,857 | 5,249 | 4,561
Net investment income (1) | [1] | 260 | 285 | 339
Loss provision |  | 275 | 263 | 182
Amortization of deferred policy acquisition costs (credits) |  | 0 | 0 | 0
Other operating expenses |  | 1,198 | 1,000 | 805
Premiums written |  | 0 | 0 | 0
Operating Segments | Specialty Insurance |  |  |  |
Supplementary Insurance Information By Segment [Line Items] |  |  |  |
Premiums and escrow fees |  | 498 | 498 | 471
Net investment income (1) | [1] | 30 | 21 | 22
Loss provision |  | 314 | 317 | 264
Amortization of deferred policy acquisition costs (credits) |  | 11 | (2) | (1)
Other operating expenses |  | 89 | 83 | 81
Premiums written |  | 450 | 520 | 482
Operating Segments | Corporate |  |  |  |
Supplementary Insurance Information By Segment [Line Items] |  |  |  |
Premiums and escrow fees |  | 0 | 0 | 0
Net investment income (1) | [1] | 362 | 21 | 22
Loss provision |  | 0 | 0 | 0
Amortization of deferred policy acquisition costs (credits) |  | 0 | 0 | 0
Other operating expenses |  | 37 | 37 | 38
Premiums written |  | 0 | 0 | 0
Eliminations |  |  |  |
Supplementary Insurance Information By Segment [Line Items] |  |  |  |
Premiums and escrow fees |  | 0 | 0 | 0
Net investment income (1) | [1] | (1) | (1) | (1)
Loss provision |  | 0 | 0 | 0
Amortization of deferred policy acquisition costs (credits) |  | 0 | 0 | 0
Other operating expenses |  | (1) | (1) | (1)
Premiums written |  | $ 0 | $ 0 | $ 0
[1] | Includes net investment income and net investment gains (losses).

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