XML 56 R37.htm IDEA: XBRL DOCUMENT
v3.19.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Goodwill by reporting unit | The Company’s goodwill reporting units are equivalent to its reportable segments, Allstate Protection, Service Businesses, Allstate Life and Allstate Benefits to which goodwill has been assigned.
Goodwill by reporting unit
|  | As of December 31,
($ in millions) |  | 2018 |  | 2017
Allstate Protection |  | $ | 810 |  |  | $ | 810 |
Service Businesses |  | 1,449 |  |  | 1,100 |
Allstate Life |  | 175 |  |  | 175 |
Allstate Benefits |  | 96 |  |  | 96 |
Total |  | $ | 2,530 |  |  | $ | 2,181 |
Schedule of indefinite-lived intangible assets |
Intangible assets by type
|  | As of December 31,
($ in millions) |  | 2018 |  | 2017
Customers relationships |  | $ | 530 |  |  | $ | 396 |
Trade names and licenses |  | 143 |  |  | 143 |
Technology and other |  | 40 |  |  | 17 |
Total |  | $ | 713 |  |  | $ | 556 |
Schedule of finite-lived intangible assets |
Intangible assets by type
|  | As of December 31,
($ in millions) |  | 2018 |  | 2017
Customers relationships |  | $ | 530 |  |  | $ | 396 |
Trade names and licenses |  | 143 |  |  | 143 |
Technology and other |  | 40 |  |  | 17 |
Total |  | $ | 713 |  |  | $ | 556 |
Computation of basic and diluted earnings per common share |
Computation of basic and diluted earnings per common share
|  | For the years ended December 31,
($ in millions, except per share data) |  | 2018 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |
Net income |  | $ | 2,160 |  |  | $ | 3,554 |  |  | $ | 1,808 |
Less: Preferred stock dividends |  | 148 |  |  | 116 |  |  | 116 |
Net income applicable to common shareholders (1) |  | $ | 2,012 |  |  | $ | 3,438 |  |  | $ | 1,692 |
Denominator: |  |  |  |  |  |
Weighted average common shares outstanding |  | 347.8 |  |  | 362.0 |  |  | 372.8 |
Effect of dilutive potential common shares: |  |  |  |  |  |
Stock options |  | 3.6 |  |  | 4.3 |  |  | 3.2 |
Restricted stock units (non-participating) and performance stock awards |  | 1.8 |  |  | 1.5 |  |  | 1.3 |
Weighted average common and dilutive potential common shares outstanding |  | 353.2 |  |  | 367.8 |  |  | 377.3 |
Earnings per common share – Basic |  | $ | 5.78 |  |  | $ | 9.50 |  |  | $ | 4.54 |
Earnings per common share – Diluted |  | $ | 5.70 |  |  | $ | 9.35 |  |  | $ | 4.48 |
(1) | Net income applicable to common shareholders is net income less preferred stock dividends.
Schedule of changes in accounting principles | The impacts of the adjustments on the financial statements and reportable segments are summarized in the following tables.
Consolidated Statements of Operations
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions, except per share data) |  | Year Ended December 31, 2018
Property and casualty insurance claims and claims expense |  | $ | 22,839 |  |  | $ | (61 | ) |  | $ | 22,778 |
Operating costs and expenses |  | 5,869 |  |  | (275 | ) |  | 5,594 |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | 468 |  |  | 468 |
Restructuring and related charges |  | 83 |  |  | (16 | ) |  | 67 |
Total costs and expenses |  | 37,077 |  |  | 116 |  |  | 37,193 |
Income from operations before income tax expense |  | 2,744 |  |  | (116 | ) |  | 2,628 |
Income tax expense |  | 492 |  |  | (24 | ) |  | 468 |
Net income |  | 2,252 |  |  | (92 | ) |  | 2,160 |
Net income applicable to common shareholders |  | $ | 2,104 |  |  | $ | (92 | ) |  | $ | 2,012 |
Earnings per common share: |  |  |  |  |  |
Net income applicable to common shareholders per common share - Basic |  | $ | 6.05 |  |  | $ | (0.27 | ) |  | $ | 5.78 |
Net income applicable to common shareholders per common share - Diluted |  | $ | 5.96 |  |  | $ | (0.26 | ) |  | $ | 5.70 |
Consolidated Statements of Operations
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions, except per share data) |  | Year Ended December 31, 2017
Property and casualty insurance claims and claims expense |  | $ | 21,929 |  |  | $ | (82 | ) |  | $ | 21,847 |
Operating costs and expenses |  | 5,442 |  |  | (246 | ) |  | 5,196 |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | (217 | ) |  | (217 | )
Restructuring and related charges |  | 109 |  |  | (13 | ) |  | 96 |
Total costs and expenses |  | 35,436 |  |  | (558 | ) |  | 34,878 |
Income from operations before income tax expense |  | 3,991 |  |  | 558 |  |  | 4,549 |
Income tax expense |  | 802 |  |  | 193 |  |  | 995 |
Net income |  | 3,189 |  |  | 365 |  |  | 3,554 |
Net income applicable to common shareholders |  | $ | 3,073 |  |  | $ | 365 |  |  | $ | 3,438 |
Earnings per common share: |  |  |  |  |  |
Net income applicable to common shareholders per common share - Basic |  | $ | 8.49 |  |  | $ | 1.01 |  |  | $ | 9.50 |
Net income applicable to common shareholders per common share - Diluted |  | $ | 8.36 |  |  | $ | 0.99 |  |  | $ | 9.35 |
|  | Year Ended December 31, 2016
Property and casualty insurance claims and claims expense |  | $ | 22,221 |  |  | $ | (61 | ) |  | $ | 22,160 |
Operating costs and expenses |  | 4,939 |  |  | (93 | ) |  | 4,846 |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | 270 |  |  | 270 |
Restructuring and related charges |  | 30 |  |  | (12 | ) |  | 18 |
Total costs and expenses |  | 34,650 |  |  | 104 |  |  | 34,754 |
Income from operations before income tax expense |  | 2,754 |  |  | (104 | ) |  | 2,650 |
Income tax expense |  | 877 |  |  | (35 | ) |  | 842 |
Net income |  | 1,877 |  |  | (69 | ) |  | 1,808 |
Net income applicable to common shareholders |  | $ | 1,761 |  |  | $ | (69 | ) |  | $ | 1,692 |
Earnings per common share: |  |  |  |  |  |
Net income applicable to common shareholders per common share - Basic |  | $ | 4.72 |  |  | $ | (0.18 | ) |  | $ | 4.54 |
Net income applicable to common shareholders per common share - Diluted |  | $ | 4.67 |  |  | $ | (0.19 | ) |  | $ | 4.48 |
Consolidated Statements of Comprehensive Income |  |
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions) |  | Year Ended December 31, 2018
Net income |  | $ | 2,252 |  |  | $ | (92 | ) |  | $ | 2,160 |
Other comprehensive loss, after-tax |  |  |  |  |  |
Changes in: |  |  |  |  |  |
Unrealized net capital gains and losses |  | (754 | ) |  | — |  |  | (754 | )
Unrealized foreign currency translation adjustments |  | (55 | ) |  | 7 |  |  | (48 | )
Unrecognized pension and other postretirement benefit cost (1) |  | (144 | ) |  | 85 |  |  | (59 | )
Other comprehensive loss, after-tax |  | (953 | ) |  | 92 |  |  | (861 | )
Comprehensive income |  | $ | 1,299 |  |  | $ | — |  |  | $ | 1,299 |
|  | Year Ended December 31, 2017
Net income |  | $ | 3,189 |  |  | $ | 365 |  |  | $ | 3,554 |
Other comprehensive income, after-tax |  |  |  |  |  |
Changes in: |  |  |  |  |  |
Unrealized net capital gains and losses |  | 319 |  |  | — |  |  | 319 |
Unrealized foreign currency translation adjustments |  | 47 |  |  | (2 | ) |  | 45 |
Unrecognized pension and other postretirement benefit cost (1) |  | 307 |  |  | (359 | ) |  | (52 | )
Other comprehensive income, after-tax |  | 673 |  |  | (361 | ) |  | 312 |
Comprehensive income |  | $ | 3,862 |  |  | $ | 4 |  |  | $ | 3,866 |
|  | Year Ended December 31, 2016
Net income |  | $ | 1,877 |  |  | $ | (69 | ) |  | $ | 1,808 |
Other comprehensive income, after-tax |  |  |  |  |  |
Changes in: |  |  |  |  |  |
Unrealized net capital gains and losses |  | 433 |  |  | — |  |  | 433 |
Unrealized foreign currency translation adjustments |  | 10 |  |  | (1 | ) |  | 9 |
Unrecognized pension and other postretirement benefit cost (1) |  | (104 | ) |  | 71 |  |  | (33 | )
Other comprehensive income, after-tax |  | 339 |  |  | 70 |  |  | 409 |
Comprehensive income |  | $ | 2,216 |  |  | $ | 1 |  |  | $ | 2,217 |
(1) Financial statement line item has been updated to “Unamortized pension and other postretirement prior service credit”.
Consolidated Statements of Financial Position |  |
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions) |  | December 31, 2018
Retained income |  | $ | 45,708 |  |  | $ | (1,675 | ) |  | $ | 44,033 |
Unrealized foreign currency translation adjustments |  | (64 | ) |  | 15 |  |  | (49 | )
Unrecognized pension and other postretirement benefit cost |  | (1,491 | ) |  | 1,660 |  |  | 169 |
Total AOCI |  | $ | (1,557 | ) |  | $ | 1,675 |  |  | $ | 118 |
|  | December 31, 2017
Retained income |  | $ | 43,162 |  |  | $ | (1,583 | ) |  | $ | 41,579 |
Unrealized foreign currency translation adjustments |  | (9 | ) |  | 8 |  |  | (1 | )
Unrecognized pension and other postretirement benefit cost |  | (1,347 | ) |  | 1,575 |  |  | 228 |
Total AOCI |  | $ | 306 |  |  | $ | 1,583 |  |  | $ | 1,889 |
Consolidated Statements of Shareholders’ Equity |  |  |  |  |  |
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions) |  | Year Ended December 31, 2018
Retained income |  |  |  |  |  |
Balance, beginning of year |  | $ | 43,162 |  |  | $ | (1,583 | ) |  | $ | 41,579 |
Cumulative effect of change in accounting principle |  | 1,088 |  |  | — |  |  | 1,088 |
Net income |  | 2,252 |  |  | (92 | ) |  | 2,160 |
Dividends on common stock (declared per share of $1.84) |  | (646 | ) |  | — |  |  | (646 | )
Dividends on preferred stock |  | (148 | ) |  | — |  |  | (148 | )
Balance, end of year |  | 45,708 |  |  | (1,675 | ) |  | 44,033 |
Accumulated other comprehensive income (loss) |  |  |  |  |  |
Balance, beginning of year |  | 306 |  |  | 1,583 |  |  | 1,889 |
Cumulative effect of change in accounting principle |  | (910 | ) |  | — |  |  | (910 | )
Change in unrealized net capital gains and losses |  | (754 | ) |  | — |  |  | (754 | )
Change in unrealized foreign currency translation adjustments |  | (55 | ) |  | 7 |  |  | (48 | )
Change in unrecognized pension and other postretirement benefit cost (1) |  | (144 | ) |  | 85 |  |  | (59 | )
Balance, end of year |  | $ | (1,557 | ) |  | $ | 1,675 |  |  | $ | 118 |
|  | Year Ended December 31, 2017
Retained income |  |  |  |  |  |
Balance, beginning of year |  | $ | 40,678 |  |  | $ | (1,669 | ) |  | $ | 39,009 |
Net income |  | 3,189 |  |  | 365 |  |  | 3,554 |
Dividends on common stock (declared per share of $1.48) |  | (540 | ) |  | — |  |  | (540 | )
Dividends on preferred stock |  | (116 | ) |  | — |  |  | (116 | )
Reclassification of tax effects due to change in accounting principle |  | (49 | ) |  | (279 | ) |  | (328 | )
Balance, end of year |  | 43,162 |  |  | (1,583 | ) |  | 41,579 |
Accumulated other comprehensive income (loss) |  |  |  |  |  |
Balance, beginning of year |  | (416 | ) |  | 1,665 |  |  | 1,249 |
Change in unrealized net capital gains and losses |  | 319 |  |  | — |  |  | 319 |
Change in unrealized foreign currency translation adjustments |  | 47 |  |  | (2 | ) |  | 45 |
Change in unrecognized pension and other postretirement benefit cost (1) |  | 307 |  |  | (359 | ) |  | (52 | )
Reclassification of tax effects due to change in accounting principle |  | 49 |  |  | 279 |  |  | 328 |
Balance, end of year |  | $ | 306 |  |  | $ | 1,583 |  |  | $ | 1,889 |
|  | Year Ended December 31, 2016
Retained income |  |  |  |  |  |
Balance, beginning of year |  | $ | 39,413 |  |  | $ | (1,600 | ) |  | $ | 37,813 |
Net income |  | 1,877 |  |  | (69 | ) |  | 1,808 |
Dividends on common stock (declared per share of $1.32) |  | (496 | ) |  | — |  |  | (496 | )
Dividends on preferred stock |  | (116 | ) |  | — |  |  | (116 | )
Balance, end of year |  | 40,678 |  |  | (1,669 | ) |  | 39,009 |
Accumulated other comprehensive income (loss) |  |  |  |  |  |
Balance, beginning of year |  | (755 | ) |  | 1,595 |  |  | 840 |
Change in unrealized net capital gains and losses |  | 433 |  |  | — |  |  | 433 |
Change in unrealized foreign currency translation adjustments |  | 10 |  |  | (1 | ) |  | 9 |
Change in unrecognized pension and other postretirement benefit cost (1) |  | (104 | ) |  | 71 |  |  | (33 | )
Balance, end of year |  | $ | (416 | ) |  | $ | 1,665 |  |  | $ | 1,249 |
Total shareholders’ equity |  | $ | 20,573 |  |  | $ | (4 | ) |  | $ | 20,569 |
(1) Financial statement line item has been updated to “Change in unamortized pension and other postretirement prior service credit”.
Consolidated Statements of Cash Flows |  |
|  | Previously reported |  | Impact of change |  | As adjusted
($ in millions) |  | Year Ended December 31, 2018
Cash flows from operating activities |  |  |  |  |  |
Net income |  | $ | 2,252 |  |  | $ | (92 | ) |  | $ | 2,160 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | 468 |  |  | 468 |
Income taxes |  | (356 | ) |  | (24 | ) |  | (380 | )
Other operating assets and liabilities |  | 1,207 |  |  | (352 | ) |  | 855 |
Net cash provided by operating activities |  | $ | 5,175 |  |  | $ | — |  |  | $ | 5,175 |
|  | Year Ended December 31, 2017
Cash flows from operating activities |  |  |  |  |  |
Net income |  | $ | 3,189 |  |  | $ | 365 |  |  | $ | 3,554 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | (217 | ) |  | (217 | )
Income taxes |  | (245 | ) |  | 193 |  |  | (52 | )
Other operating assets and liabilities |  | 328 |  |  | (341 | ) |  | (13 | )
Net cash provided by operating activities |  | $ | 4,314 |  |  | $ | — |  |  | $ | 4,314 |
|  | Year Ended December 31, 2016
Cash flows from operating activities |  |  |  |  |  |
Net income |  | $ | 1,877 |  |  | $ | (69 | ) |  | $ | 1,808 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |
Pension and other postretirement remeasurement gains and losses |  | — |  |  | 270 |  |  | 270 |
Income taxes |  | 417 |  |  | (36 | ) |  | 381 |
Other operating assets and liabilities |  | (16 | ) |  | (165 | ) |  | (181 | )
Net cash provided by operating activities |  | $ | 3,993 |  |  | $ | — |  |  | $ | 3,993 |
Reportable segments financial performance
|  | Net income (loss) applicable to common shareholders |  | Underwriting income or Adjusted net income (loss) (2)
|  | For the years ended December 31,
|  | Previously reported
($ in millions) |  | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Property-Liability (1) |  | $ | 2,341 |  |  | $ | 2,587 |  |  | $ | 1,661 |  |  | $ | 2,097 |  |  | $ | 2,012 |  |  | $ | 1,220 |
Service Businesses |  | (85 | ) |  | 15 |  |  | 3 |  |  | 2 |  |  | (59 | ) |  | 3 |
Allstate Life |  | 254 |  |  | 577 |  |  | 219 |  |  | 289 |  |  | 253 |  |  | 247 |
Allstate Benefits |  | 113 |  |  | 146 |  |  | 96 |  |  | 119 |  |  | 95 |  |  | 100 |
Allstate Annuities |  | 75 |  |  | 418 |  |  | 76 |  |  | 130 |  |  | 204 |  |  | 101 |
Corporate and Other |  | (594 | ) |  | (670 | ) |  | (294 | ) |  | (542 | ) |  | (399 | ) |  | (292 | )
Consolidated |  | $ | 2,104 |  |  | $ | 3,073 |  |  | $ | 1,761 |  |  |  |  |  |  |
|  | Impact of change
|  | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Property-Liability |  | $ | 124 |  |  | $ | 226 |  |  | $ | 97 |  |  | $ | 156 |  |  | $ | 193 |  |  | $ | 150 |
Service Businesses |  | 6 |  |  | 8 |  |  | 2 |  |  | 6 |  |  | 5 |  |  | 2 |
Allstate Life |  | 6 |  |  | 12 |  |  | 4 |  |  | 6 |  |  | 6 |  |  | 4 |
Allstate Benefits |  | 5 |  |  | 8 |  |  | 3 |  |  | 5 |  |  | 5 |  |  | 3 |
Allstate Annuities |  | 1 |  |  | 1 |  |  | 1 |  |  | 1 |  |  | 1 |  |  | 1 |
Corporate and Other |  | (234 | ) |  | 110 |  |  | (176 | ) |  | 136 |  |  | 79 |  |  | (1 | )
Consolidated |  | $ | (92 | ) |  | $ | 365 |  |  | $ | (69 | ) |  |  |  |  |  |
|  | As adjusted
|  | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Property-Liability |  | $ | 2,465 |  |  | $ | 2,813 |  |  | $ | 1,758 |  |  | $ | 2,253 |  |  | $ | 2,205 |  |  | $ | 1,370 |
Service Businesses |  | (79 | ) |  | 23 |  |  | 5 |  |  | 8 |  |  | (54 | ) |  | 5 |
Allstate Life |  | 260 |  |  | 589 |  |  | 223 |  |  | 295 |  |  | 259 |  |  | 251 |
Allstate Benefits |  | 118 |  |  | 154 |  |  | 99 |  |  | 124 |  |  | 100 |  |  | 103 |
Allstate Annuities |  | 76 |  |  | 419 |  |  | 77 |  |  | 131 |  |  | 205 |  |  | 102 |
Corporate and Other |  | (828 | ) |  | (560 | ) |  | (470 | ) |  | (406 | ) |  | (320 | ) |  | (293 | )
Consolidated |  | $ | 2,012 |  |  | $ | 3,438 |  |  | $ | 1,692 |  |  |  |  |  |  |
(1) | Allstate Protection and Discontinued Lines and Coverages segments comprise Property-Liability.
(2) | The measure of segment profit or loss used in evaluating performance is underwriting income for the Allstate Protection and Discontinued Lines and Coverages segments while all other segments use adjusted net income (loss).

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 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 (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109236672&loc=d3e765-108305 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(b)(6)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22580-107794 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109236672&loc=d3e725-108305 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 + Details
Name: | us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration