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Insurance Premiums (Unearned Premium Revenue Balance And Future Expected Earnings) (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013
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Insurance Premiums [Line Items] |
Three months ended, March 31, 2014, Total Expected Future Premium Earnings | $ 72
Three months ended, June 30, 2014, Total Expected Future Premium Earnings | 70
Three months ended, September 30, 2014, Total Expected Future Premium Earnings | 67
Three months ended, December 31, 2014, Total Expected Future Premium Earnings | 66
Twelve months ended, December 31, 2015, Total Expected Future Premium Earnings | 250
Twelve months ended, December 31, 2016, Total Expected Future Premium Earnings | 230
Twelve months ended, December 31, 2017, Total Expected Future Premium Earnings | 210
Twelve months ended, December 31, 2018, Total Expected Future Premium Earnings | 190
Five years ended, December 31, 2023, Total Expected Future Premium Earnings | 731
Five years ended, December 31, 2028, Total Expected Future Premium Earnings | 442
Five years ended, December 31, 2033 and thereafter, Total Expected Future Premium Earnings | 408
Total Expected Future Premium Earnings | 2,736
Unearned Premium Revenue [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 2,441
Unearned Premium Revenue [Member] | March Thirty One Two Thousand Fourteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 2,376
Unearned Premium Revenue [Member] | June Thirty Two Thousand Fourteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 2,313
Unearned Premium Revenue [Member] | September Thirty Two Thousand Fourteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 2,253
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Fourteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 2,194
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Fifteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 1,970
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Sixteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 1,764
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Seventeen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 1,576
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Eighteen [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 1,407
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty Three [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 756
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Twenty Eight [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 361
Unearned Premium Revenue [Member] | December Thirty One Two Thousand Thirty Three And Thereafter [Member] |
Insurance Premiums [Line Items] |
Unearned Premiums | 0
Upfront [Member] |
Insurance Premiums [Line Items] |
Three months ended, March 31, 2014, Total Expected Future Premium Earnings | 38
Three months ended, June 30, 2014, Total Expected Future Premium Earnings | 37
Three months ended, September 30, 2014, Total Expected Future Premium Earnings | 35
Three months ended, December 31, 2014, Total Expected Future Premium Earnings | 35
Twelve months ended, December 31, 2015, Total Expected Future Premium Earnings | 129
Twelve months ended, December 31, 2016, Total Expected Future Premium Earnings | 116
Twelve months ended, December 31, 2017, Total Expected Future Premium Earnings | 106
Twelve months ended, December 31, 2018, Total Expected Future Premium Earnings | 97
Five years ended, December 31, 2023, Total Expected Future Premium Earnings | 369
Five years ended, December 31, 2028, Total Expected Future Premium Earnings | 214
Five years ended, December 31, 2033 and thereafter, Total Expected Future Premium Earnings | 187
Total Expected Future Premium Earnings | 1,363
Installments [Member] |
Insurance Premiums [Line Items] |
Three months ended, March 31, 2014, Total Expected Future Premium Earnings | 27
Three months ended, June 30, 2014, Total Expected Future Premium Earnings | 26
Three months ended, September 30, 2014, Total Expected Future Premium Earnings | 25
Three months ended, December 31, 2014, Total Expected Future Premium Earnings | 24
Twelve months ended, December 31, 2015, Total Expected Future Premium Earnings | 95
Twelve months ended, December 31, 2016, Total Expected Future Premium Earnings | 90
Twelve months ended, December 31, 2017, Total Expected Future Premium Earnings | 82
Twelve months ended, December 31, 2018, Total Expected Future Premium Earnings | 72
Five years ended, December 31, 2023, Total Expected Future Premium Earnings | 282
Five years ended, December 31, 2028, Total Expected Future Premium Earnings | 181
Five years ended, December 31, 2033 and thereafter, Total Expected Future Premium Earnings | 174
Total Expected Future Premium Earnings | 1,078
Accretion [Member] |
Insurance Premiums [Line Items] |
Three months ended, March 31, 2014, Total Expected Future Premium Earnings | 7
Three months ended, June 30, 2014, Total Expected Future Premium Earnings | 7
Three months ended, September 30, 2014, Total Expected Future Premium Earnings | 7
Three months ended, December 31, 2014, Total Expected Future Premium Earnings | 7
Twelve months ended, December 31, 2015, Total Expected Future Premium Earnings | 26
Twelve months ended, December 31, 2016, Total Expected Future Premium Earnings | 24
Twelve months ended, December 31, 2017, Total Expected Future Premium Earnings | 22
Twelve months ended, December 31, 2018, Total Expected Future Premium Earnings | 21
Five years ended, December 31, 2023, Total Expected Future Premium Earnings | 80
Five years ended, December 31, 2028, Total Expected Future Premium Earnings | 47
Five years ended, December 31, 2033 and thereafter, Total Expected Future Premium Earnings | 47
Total Expected Future Premium Earnings | $ 295

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 second fiscal quarter following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 fifth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 second fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 third fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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