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Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Intangible assets | $ 350 |  | $ 362
Amortization of intangible assets | 14 | $ 19 |
2019 | 26 |  |
2020 | 32 |  |
2021 | 30 |  |
2022 | 27 |  |
2023 | 25 |  |
Thereafter | 196 |  |
Finite-Lived Intangible Assets, Net | 336 |  | 353
PWIC |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 14 |  | 9
Insurance Intangible Asset [Member] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | 1,264 |  | 1,278
Finite-Lived Intangible Assets, Accumulated Amortization | 961 |  | 958
Intangible assets | 303 |  | 320
Amortization of intangible assets | 14 | 19 |
2019 | 24 |  |
2020 | 30 |  |
2021 | 27 |  |
2022 | 25 |  |
2023 | 22 |  |
Thereafter | $ 176 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 7 years 3 months 18 days |  |
Other Intangible Assets |  |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 36 |  | 36
Finite-Lived Intangible Assets, Accumulated Amortization | 3 |  | 3
Intangible assets | 32 |  | $ 33
Amortization of intangible assets | 1 | $ 1 |
2019 | 2 |  |
2020 | 3 |  |
2021 | 3 |  |
2022 | 3 |  |
2023 | 2 |  |
Thereafter | $ 20 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years 9 months 18 days |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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