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Insurance Premiums (Unearned Premium Revenue Balance And Future Expected Earnings) (Detail) $ in Millions | Dec. 31, 2018 USD ($)
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Insurance Premiums [Line Items] |
Three months ending, March 31, 2019, Total Expected Future Premium Earnings | $ 20
Three months ending, June 30, 2019, Total Expected Future Premium Earnings | 19
Three months ending, September 30, 2019, Total Expected Future Premium Earnings | 19
Three months ending, December 31, 2019, Total Expected Future Premium Earnings | 19
Twelve months ending, December 31, 2020, Total Expected Future Premium Earnings | 69
Twelve months ending, December 31, 2021, Total Expected Future Premium Earnings | 61
Twelve months ending, December 31, 2022, Total Expected Future Premium Earnings | 55
Twelve months ending, December 31, 2023, Total Expected Future Premium Earnings | 48
Five years ending, December 31, 2028, Total Expected Future Premium Earnings | 171
Five years ending, December 31, 2033, Total Expected Future Premium Earnings | 91
Five years ending, December 31, 2038 and thereafter, Total Expected Future Premium Earnings | 90
Total Expected Future Premium Earnings | 662
Unearned Premium Revenue [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 587
Unearned Premium Revenue [Member] | March Thirty One Two Thousand Nineteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 569
Unearned Premium Revenue [Member] | June Thirty Two Thousand Nineteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 552
Unearned Premium Revenue [Member] | September Thirty Two Thousand Nineteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 535
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Nineteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 518
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 456
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty One [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 401
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty Two [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 352
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty Three [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 309
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty Eight [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 158
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Thirty Three [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 79
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Thirty Eight And Thereafter [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 0
Upfront [Member] |
Insurance Premiums [Line Items] |
Three months ending, March 31, 2019, Total Expected Future Premium Earnings | 9
Three months ending, June 30, 2019, Total Expected Future Premium Earnings | 9
Three months ending, September 30, 2019, Total Expected Future Premium Earnings | 9
Three months ending, December 31, 2019, Total Expected Future Premium Earnings | 9
Twelve months ending, December 31, 2020, Total Expected Future Premium Earnings | 32
Twelve months ending, December 31, 2021, Total Expected Future Premium Earnings | 28
Twelve months ending, December 31, 2022, Total Expected Future Premium Earnings | 25
Twelve months ending, December 31, 2023, Total Expected Future Premium Earnings | 22
Five years ending, December 31, 2028, Total Expected Future Premium Earnings | 81
Five years ending, December 31, 2033, Total Expected Future Premium Earnings | 42
Five years ending, December 31, 2038 and thereafter, Total Expected Future Premium Earnings | 33
Total Expected Future Premium Earnings | 299
Installments [Member] |
Insurance Premiums [Line Items] |
Three months ending, March 31, 2019, Total Expected Future Premium Earnings | 9
Three months ending, June 30, 2019, Total Expected Future Premium Earnings | 8
Three months ending, September 30, 2019, Total Expected Future Premium Earnings | 8
Three months ending, December 31, 2019, Total Expected Future Premium Earnings | 8
Twelve months ending, December 31, 2020, Total Expected Future Premium Earnings | 30
Twelve months ending, December 31, 2021, Total Expected Future Premium Earnings | 27
Twelve months ending, December 31, 2022, Total Expected Future Premium Earnings | 24
Twelve months ending, December 31, 2023, Total Expected Future Premium Earnings | 21
Five years ending, December 31, 2028, Total Expected Future Premium Earnings | 70
Five years ending, December 31, 2033, Total Expected Future Premium Earnings | 37
Five years ending, December 31, 2038 and thereafter, Total Expected Future Premium Earnings | 46
Total Expected Future Premium Earnings | 288
Accretion [Member] |
Insurance Premiums [Line Items] |
Three months ending, March 31, 2019, Total Expected Future Premium Earnings | 2
Three months ending, June 30, 2019, Total Expected Future Premium Earnings | 2
Three months ending, September 30, 2019, Total Expected Future Premium Earnings | 2
Three months ending, December 31, 2019, Total Expected Future Premium Earnings | 2
Twelve months ending, December 31, 2020, Total Expected Future Premium Earnings | 7
Twelve months ending, December 31, 2021, Total Expected Future Premium Earnings | 6
Twelve months ending, December 31, 2022, Total Expected Future Premium Earnings | 6
Twelve months ending, December 31, 2023, Total Expected Future Premium Earnings | 5
Five years ending, December 31, 2028, Total Expected Future Premium Earnings | 20
Five years ending, December 31, 2033, Total Expected Future Premium Earnings | 12
Five years ending, December 31, 2038 and thereafter, Total Expected Future Premium Earnings | 11
Total Expected Future Premium Earnings | $ 75

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- Definition Financial guarantee insurance contracts, the amount of premium revenue expected to be recognized during the sixteenth year and thereafter following the statement of financial position reporting date. + References No definition available. + Details
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- Definition Amount of unearned premium revenue under contracts issued by an insurance entity that provide protection to the holder of a financial obligation from a financial loss in the event of a default. + References No definition available. + Details
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- Definition Amount of premium revenue under financial guarantee insurance contracts expected to be recognized in the next fiscal quarter following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6933581&loc=SL5749298-161291 + Details
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- Definition Amount of premium revenue under financial guarantee insurance contracts expected to be recognized in the fourth fiscal quarter following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6933581&loc=SL5749298-161291 + Details
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