XML 119 R56.htm IDEA: XBRL DOCUMENT
v3.20.4

Employee Benefit Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Retirement Benefits [Abstract] |
Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Pension Plans and Other Postretirement Plans | Weighted Average Assumptions Used in Calculating the Benefit Obligations and the Net Amount Recognized
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2020 | 2019 | 2020 | 2019
Discount rate | 2.65 | % | 3.33 | % | 2.36 | % | 3.15 | %
Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Pension Plans
| For the years ended December 31,
| 2020 | 2019 | 2018
Discount rate | 3.33 | % | 4.35 | % | 3.73 | %
Expected long-term rate of return on plan assets | 6.00 | % | 6.45 | % | 6.60 | %
Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Other Postretirement Plans
| For the years ended December 31,
| 2020 | 2019 | 2018
Discount rate | 3.15 | % | 4.23 | % | 3.55 | %
Expected long-term rate of return on plan assets | 5.60 | % | 6.00 | % | 6.60 | %
Assumed Health Care Cost Trend Rates | Assumed Health Care Cost Trend Rates
| For the years ended December 31,
| 2020 | 2019 | 2018
Pre-65 health care cost trend rate | 7.00 | % | 7.00 | % | 6.50 | %
Post-65 health care cost trend rate | N/A | N/A | N/A
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) | 4.50 | % | 4.50 | % | 4.50 | %
Year that the rate reaches the ultimate trend rate | 2033 | 2033 | 2028
Change in Benefit Obligation | Change in Benefit Obligation
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2020 | 2019 | 2020 | 2019
Benefit obligation — beginning of year | $ | 4,498 |  | $ | 4,000 |  | $ | 223 |  | $ | 220 |
Service cost | 4 |  | 4 |  | — |  | — |
Interest cost | 127 |  | 159 |  | 6 |  | 8 |
Plan participants’ contributions | — |  | — |  | 11 |  | 13 |
Actuarial loss (gain) | 12 |  | 48 |  | (2) |  | 6 |
Amendments | — |  | — |  | — |  | (2) |
Changes in assumptions | 437 |  | 488 |  | 16 |  | 19 |
Benefits and expenses paid | (203) |  | (201) |  | (34) |  | (41) |
Benefit obligation — end of year | $ | 4,875 |  | $ | 4,498 |  | $ | 220 |  | $ | 223 |
Change in Plan Assets | Change in Plan Assets
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2020 | 2019 | 2020 | 2019
Fair value of plan assets — beginning of year | $ | 3,914 |  | $ | 3,344 |  | $ | 75 |  | $ | 85 |
Actual return on plan assets | 568 |  | 701 |  | 6 |  | 12 |
Employer contributions [1] | 70 |  | 70 |  | 5 |  | — |
Benefits paid [2] | (177) |  | (176) |  | (23) |  | (22) |
Expenses paid | (12) |  | (26) |  | — |  | — |
Foreign exchange adjustment | — |  | 1 |  | — |  | — |
Fair value of plan assets — end of year | $ | 4,363 |  | $ | 3,914 |  | $ | 63 |  | $ | 75 |
Funded status — end of year | $ | (512) |  | $ | (584) |  | $ | (157) |  | $ | (148) |
[1]Employer contributions in 2020 and 2019 to the U.S. qualified defined benefit pension plan were discretionary, made in cash, and did not include contributions of the Company’s common stock. [2]Other postretirement benefits paid represent non-key employee postretirement medical benefits paid from the Company's prefunded trust fund.
Defined Benefit Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets | Defined Benefit Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets
| As of December 31,
| 2020 | 2019
Projected benefit obligation | $ | 4,875 |  | $ | 4,498 |
Accumulated benefit obligation | $ | 4,875 |  | $ | 4,498 |
Fair value of plan assets | $ | 4,363 |  | $ | 3,914 |
Amounts Recognized in Consolidated Balance Sheets | Amounts Recognized in the Consolidated Balance Sheets
| Pension Benefits | Other Postretirement Benefits
| As of December 31,
| 2020 | 2019 | 2020 | 2019
Other liabilities | $ | 512 |  | $ | 584 |  | $ | 157 |  | $ | 148 |
Net Periodic Cost (Benefit) | Net Periodic Cost (Benefit)
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2020 | 2019 | 2018 | 2020 | 2019 | 2018
Service cost | $ | 4 |  | $ | 4 |  | $ | 4 |  | $ | — |  | $ | — |  | $ | — |
Interest cost | 127 |  | 159 |  | 142 |  | 6 |  | 8 |  | 7 |
Expected return on plan assets | (215) |  | (226) |  | (227) |  | (4) |  | (4) |  | (7) |
Amortization of prior service credit | — |  | — |  | — |  | (7) |  | (7) |  | (7) |
Amortization of actuarial loss | 60 |  | 44 |  | 49 |  | 7 |  | 6 |  | 6 |
Net periodic cost (benefit) | $ | (24) |  | $ | (19) |  | $ | (32) |  | $ | 2 |  | $ | 3 |  | $ | (1) |
Amounts Recognized in Other Comprehensive Income (Loss) | Amounts Recognized in Other Comprehensive Income (Loss)
| Pension Benefits | Other Postretirement Benefits
| For the years ended December 31,
| 2020 | 2019 | 2018 | 2020 | 2019 | 2018
Amortization of actuarial loss | $ | 60 |  | $ | 44 |  | $ | 49 |  | $ | 7 |  | $ | 6 |  | $ | 6 |
Amortization of prior service credit | — |  | — |  | — |  | (7) |  | (7) |  | (6) |
Net loss arising during the year | (106) |  | (88) |  | (91) |  | (11) |  | (18) |  | 3 |
Prior service cost (credit) | — |  | — |  | — |  | — |  | 2 |  | — |
Total | $ | (46) |  | $ | (44) |  | $ | (42) |  | $ | (11) |  | $ | (17) |  | $ | 3 |
Amounts in Accumulated Other Comprehensive Income (Loss), Before Tax, not yet Recognized as Components of Net Periodic Benefit Cost | Amounts in Accumulated Other Comprehensive Income (Loss), Before Tax, not yet Recognized as Components of Net Periodic Benefit Cost
| Pension Benefits | Other Postretirement Benefits
| As of December 31,
| 2020 | 2019 | 2018 | 2020 | 2019 | 2018
Net loss | $ | (2,098) |  | $ | (2,052) |  | $ | (2,008) |  | $ | (136) |  | $ | (132) |  | $ | (120) |
Prior service credit | — |  | — |  | — |  | 60 |  | 67 |  | 72 |
Total | $ | (2,098) |  | $ | (2,052) |  | $ | (2,008) |  | $ | (76) |  | $ | (65) |  | $ | (48) |
Plan Assets | Target Asset Allocation
| Pension Plans | Other Postretirement Plans
| Minimum | Maximum | Minimum | Maximum
Equity securities | 5 | % | 35 | % | 15 | % | 45 | %
Fixed income securities | 50 | % | 70 | % | 55 | % | 85 | %
Alternative assets | — | % | 45 | % | — | % | — | %
Pension Plan Assets at Fair Value
| As of December 31, 2020 |  | As of December 31, 2019
Asset Category | Level 1 | Level 2 | Level 3 | Total |  | Level 1 | Level 2 | Level 3 | Total
Short-term investments: | $ | 75 |  | $ | 25 |  | $ | — |  | $ | 100 |  |  | $ | 34 |  | $ | 54 |  | $ | — |  | $ | 88 |
Fixed Income Securities: |  |  |  |  |  |  |  |  |
Corporate | — |  | 2,303 |  | 39 |  | 2,342 |  |  | — |  | 2,058 |  | 27 |  | 2,085 |
RMBS | — |  | 41 |  | 1 |  | 42 |  |  | — |  | 61 |  | — |  | 61 |
U.S. Treasuries | — |  | 47 |  | — |  | 47 |  |  | — |  | 101 |  | — |  | 101 |
Foreign government | — |  | 16 |  | 9 |  | 25 |  |  | — |  | 17 |  | 1 |  | 18 |
CMBS | — |  | 30 |  | — |  | 30 |  |  | — |  | 32 |  | — |  | 32 |
Other fixed income [1] | — |  | 137 |  | — |  | 137 |  |  | — |  | 96 |  | 1 |  | 97 |
Mortgage Loans | — |  | — |  | 161 |  | 161 |  |  | — |  | — |  | 131 |  | 131 |
Equity Securities: |  |  |  |  |  |  |  |  |
Domestic | 513 |  | — |  | — |  | 513 |  |  | 429 |  | 1 |  | — |  | 430 |
International | 271 |  | — |  | — |  | 271 |  |  | 261 |  | — |  | — |  | 261 |
Total pension plan assets at fair value, in the fair value hierarchy [2] | $ | 859 |  | $ | 2,599 |  | $ | 210 |  | $ | 3,668 |  |  | $ | 724 |  | $ | 2,420 |  | $ | 160 |  | $ | 3,304 |
Other Investments, at net asset value [3]: |  |  |  |  |  |  |  |  |
Private Market Alternatives |  |  |  | 451 |  |  |  |  |  | 358 |
Hedge funds |  |  |  | 224 |  |  |  |  |  | 212 |
Total pension plan assets at fair value | $ | 859 |  | $ | 2,599 |  | $ | 210 |  | $ | 4,343 |  |  | $ | 724 |  | $ | 2,420 |  | $ | 160 |  | $ | 3,874 |
[1]Includes ABS, municipal bonds, and CDOs. [2]Excludes approximately $20 and $40 as of December 31, 2020 and 2019, respectively, of investment receivables net of investment payables that are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value. [3]Investments that are measured at net asset value per share or an equivalent and have not been classified in the fair value hierarchy. Other Postretirement Plan Assets at Fair Value
| As of December 31, 2020 |  | As of December 31, 2019
Asset Category | Level 1 | Level 2 | Level 3 | Total |  | Level 1 | Level 2 | Level 3 | Total
Short-term investments | $ | 2 |  | $ | — |  | $ | — |  | $ | 2 |  |  | $ | 3 |  | $ | — |  | $ | — |  | $ | 3 |
Fixed Income Securities: |  |  |  |  |  |  |  |  |
Corporate | — |  | 16 |  | — |  | 16 |  |  | — |  | 18 |  | — |  | 18 |
RMBS | — |  | 9 |  | — |  | 9 |  |  | — |  | 12 |  | — |  | 12 |
U.S. Treasuries | — |  | 16 |  | — |  | 16 |  |  | — |  | 20 |  | — |  | 20 |
CMBS | — |  | 1 |  | — |  | 1 |  |  | — |  | 1 |  | — |  | 1 |
Other fixed income | — |  | 2 |  | — |  | 2 |  |  | — |  | 2 |  | — |  | 2 |
Equity Securities: |  |  |  |  |  |  |  |  |
Large-cap | 17 |  | — |  | — |  | 17 |  |  | 19 |  | — |  | — |  | 19 |
Total other postretirement plan assets at fair value | $ | 19 |  | $ | 44 |  | $ | — |  | $ | 63 |  |  | $ | 22 |  | $ | 53 |  | $ | — |  | $ | 75 |
Pension Plan Assets Fair Value Measurements Using Significant Unobservable Inputs |
Pension Plan Asset Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Assets | Corporate | RMBS | Foreign government | Mortgage loans | Other [1] |  | Totals
Fair Value as of January 1, 2020 | $ | 27 |  | $ | — |  | $ | 1 |  | $ | 131 |  | $ | 1 |  |  | $ | 160 |
Realized gains (losses), net | — |  | — |  | — |  | — |  | (1) |  |  | (1) |
Changes in unrealized gains, net | 1 |  | — |  | — |  | 4 |  | 1 |  |  | 6 |
Purchases | 14 |  | 1 |  | 9 |  | 32 |  | — |  |  | 56 |
Settlements | — |  | — |  | — |  | — |  | — |  |  | — |
Sales | (3) |  | — |  | — |  | (6) |  | — |  |  | (9) |
Transfers into Level 3 | — |  | — |  | — |  | — |  | — |  |  | — |
Transfers out of Level 3 | — |  | — |  | (1) |  | — |  | (1) |  |  | (2) |
Fair Value as of December 31, 2020 | $ | 39 |  | $ | 1 |  | $ | 9 |  | $ | 161 |  | $ | — |  |  | $ | 210 |
Fair Value as of January 1, 2019 | $ | 14 |  | $ | 1 |  | $ | 2 |  | $ | 133 |  | $ | 1 |  |  | $ | 151 |
Realized gains, net | 3 |  | — |  | — |  | — |  | — |  |  | 3 |
Changes in unrealized gains, net | 2 |  | — |  | — |  | 4 |  | — |  |  | 6 |
Purchases | 7 |  | — |  | — |  | — |  | — |  |  | 7 |
Settlements | — |  | — |  | — |  | — |  | — |  |  | — |
Sales | (3) |  | (1) |  | (1) |  | (6) |  | — |  |  | (11) |
Transfers into Level 3 | 4 |  | — |  | — |  | — |  | — |  |  | 4 |
Transfers out of Level 3 | — |  | — |  | — |  | — |  | — |  |  | — |
Fair Value as of December 31, 2019 | $ | 27 |  | $ | — |  | $ | 1 |  | $ | 131 |  | $ | 1 |  |  | $ | 160 |
[1]"Other" includes U.S. Treasuries, Other fixed income and CMBS investments.
Amounts of Benefits Expected to be Paid over the next Ten Years from Pension and other Postretirement Plans | Amounts of Benefits Expected to be Paid over the next Ten Years from Pension and other Postretirement Plans as of December 31, 2020
| Pension Benefits | Other Postretirement Benefits
2021 | $ | 223 |  | $ | 22 |
2022 | 229 |  | 20 |
2023 | 235 |  | 18 |
2024 | 242 |  | 17 |
2025 | 246 |  | 15 |
2026 - 2030 | 1,252 |  | 59 |
Total | $ | 2,427 |  | $ | 151 |

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

X
- Definition Tabular disclosure of benefit obligation and plan assets of defined benefit plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 + Details
Name: | us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the effect of fair value measurements using significant unobservable inputs (Level 3) on changes in plan assets of pension plans and/or other employee benefit plans for the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income or loss that have not yet been recognized as components of net periodic benefit cost, such as the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetPeriodicBenefitCostNotYetRecognizedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration