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Retirement Plans and Postretirement Benefit Plans Postretirement Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2018
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |  |  |  |  |
Plan settlements |  |  | $ (27.9) |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Plan settlements |  |  | (27.9) |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] |  |  |  |  |  |  |
Net periodic benefit cost |  |  |  | $ 32.9 | $ 22.5 | $ 40.2 |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |
Level 3 Asset Value, Beginning of Period |  |  | 44.7 | 44.7 |  |  |
Interest income |  |  |  | 0.8 |  |  |
Dividend income |  |  |  | 0.5 |  |  |
Unrealized gains |  |  |  | 0.3 |  |  |
Realized losses |  |  |  | (0.1) |  |  |
Administrative expenses and charges |  |  |  | (0.1) |  |  |
Claims paid |  |  |  | (5.9) |  |  |
Level 3 Asset Value, End of Period |  | $ 40.2 |  | 40.2 | 44.7 |  |
Postretirement Plan, Expected Future Benefit Payments, Next Twelve Months |  | 11.4 |  | 11.4 |  |  |
Postretirement Plan, Expected Future Benefit Payments, Year Two |  | 11.5 |  | 11.5 |  |  |
Postretirement Plan, Expected Future Benefit Payments, Year Three |  | 11.6 |  | 11.6 |  |  |
Postretirement Plan, Expected Future Benefit Payments in Year Four |  | 11.6 |  | 11.6 |  |  |
Postretirement Plan, Expected Future Benefit Payments, Year Five |  | 11.7 |  | 11.7 |  |  |
Postretirement Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter |  | 48.6 |  | 48.6 |  |  |
Postemployment Benefits Liability |  | 2.5 |  | 2.5 | 2.4 |  |
Pension Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |  |  |  |  |
Benefit Obligation, Beginning |  |  | 672.2 | 672.2 | 680.0 |  |
Service cost |  |  |  | 15.5 | 15.8 | 16.1 |
Interest cost |  |  |  | 26.2 | 25.5 | 26.1 |
Plan settlements |  |  |  | (50.2) | 0.0 |  |
Actuarial gains (losses) |  |  |  | 38.6 | 4.7 |  |
Benefit Obligation, Ending |  | 687.5 |  | 687.5 | 672.2 | 680.0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 595.9 | 595.9 | 581.7 |  |
Actual return on plans' assets |  |  |  | 84.4 | 48.0 |  |
Employer contributions |  |  |  | 20.0 | 20.0 |  |
Plan settlements |  |  |  | (50.2) | 0.0 |  |
Fair Value of Plan Assets, Ending |  | 635.3 |  | 635.3 | 595.9 | 581.7 |
Funded Status of Plan |  | (52.2) |  | (52.2) | (76.3) |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] |  |  |  |  |  |  |
Service cost |  |  |  | 15.5 | 15.8 | 16.1 |
Interest cost |  |  |  | 26.2 | 25.5 | 26.1 |
Expected return on plan assets |  |  |  | (42.6) | (41.5) | (46.0) |
Amortization of unrecognized prior service cost | [1] |  |  | (0.1) | (0.1) | 0.4 |
Settlement |  | $ 15.3 |  | 15.3 | 0.0 | 21.7 |
Net periodic benefit cost |  |  |  | 31.7 | 16.2 | 36.3 |
Amount paid by unconsolidated affiliates |  |  |  | 4.3 | 5.1 | 4.2 |
Net Periodic Benefit Cost, Net of Unconsolidated Affiliates | [2] |  |  | 27.4 | 11.1 | 32.1 |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |
Capitalized Portion of Net Periodic Benefit Cost |  |  |  | $ 4.4 | $ 4.0 | $ 5.0 |
Assumptions Used Calculating Benefit Obligation, Discount Rate |  | 3.60% |  | 3.60% | 4.00% | 4.00% |
Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets |  |  |  | 7.50% | 7.50% | 7.50% |
Defined Benefit Plan, Benefit Obligation, Benefits Paid |  |  |  | $ (14.8) | $ (53.8) |  |
Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  |  |  | 0.0 |  |
Fair Value of Plan Assets, Ending |  |  |  |  |  | $ 0.0 |
Other Postretirement Benefit Plans, Defined Benefit [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |  |  |  |  |
Benefit Obligation, Beginning |  |  | 215.9 | 215.9 | 225.3 |  |
Service cost |  |  |  | 0.6 | 0.8 | 1.5 |
Interest cost |  |  |  | 7.2 | 9.5 | 10.3 |
Plan settlements |  |  |  | (28.1) | 0.0 |  |
Actuarial gains (losses) |  |  |  | 5.6 | (7.6) |  |
Benefit Obligation, Ending |  | $ 149.4 |  | 149.4 | 215.9 | 225.3 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 53.1 | 53.1 | 55.3 |  |
Actual return on plans' assets |  |  |  | 2.8 | 2.0 |  |
Employer contributions |  |  |  | 34.6 | 7.9 |  |
Plan settlements |  |  |  | (28.1) | 0.0 |  |
Fair Value of Plan Assets, Ending |  | 50.2 |  | 50.2 | 53.1 | 55.3 |
Funded Status of Plan |  | $ (99.2) |  | (99.2) | (162.8) |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] |  |  |  |  |  |  |
Service cost |  |  |  | 0.6 | 0.8 | 1.5 |
Interest cost |  |  |  | 7.2 | 9.5 | 10.3 |
Expected return on plan assets |  |  |  | (2.2) | (2.3) | (2.4) |
Amortization of unrecognized prior service cost | [1] |  |  | (3.5) | (8.8) | (16.5) |
Settlement |  |  |  | 0.6 | 0.0 | 0.0 |
Net periodic benefit cost |  |  |  | 4.7 | 1.8 | 6.8 |
Amount paid by unconsolidated affiliates |  |  |  | 0.3 | 0.2 | 1.3 |
Net Periodic Benefit Cost, Net of Unconsolidated Affiliates | [2] |  |  | 4.4 | 1.6 | 5.5 |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |
Capitalized Portion of Net Periodic Benefit Cost |  |  |  | $ 1.2 | $ 0.8 | $ 1.9 |
Assumptions Used Calculating Benefit Obligation, Discount Rate |  | 3.70% |  | 3.70% | 4.20% | 4.25% |
Health Care Cost Trend Rate Assumed for Next Fiscal Year |  | 7.50% |  | 7.50% | 6.75% | 6.10% | 6.50%
Ultimate Health Care Cost Trend Rate |  | 4.50% |  | 4.50% | 4.50% | 4.50% |
Year that Rate Reaches Ultimate Trend Rate |  |  |  | 2030 | 2026 | 2026 |
Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets |  |  |  | 4.00% | 4.00% | 4.00% |
Defined Benefit Plan, Benefit Obligation, Benefits Paid |  |  |  | $ (15.7) | $ (15.7) |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Group Retiree Medical Insurance Contract [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 44.7 | 44.7 |  |  |
Fair Value of Plan Assets, Ending |  | $ 40.2 |  | 40.2 | 44.7 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. Equity Mutual Funds Investment [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 8.1 | 8.1 |  |  |
Fair Value of Plan Assets, Ending |  | 9.5 |  | 9.5 | 8.1 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Money market funds [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.3 | 0.3 |  |  |
Fair Value of Plan Assets, Ending |  |  |  |  | 0.3 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Ending |  | 0.5 |  | 0.5 |  |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 8.4 | 8.4 |  |  |
Fair Value of Plan Assets, Ending |  | 10.0 |  | 10.0 | 8.4 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member] | Group Retiree Medical Insurance Contract [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending |  | 0.0 |  | 0.0 | 0.0 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Equity Mutual Funds Investment [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 8.1 | 8.1 |  |  |
Fair Value of Plan Assets, Ending |  | 9.5 |  | 9.5 | 8.1 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member] | Money market funds [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.3 | 0.3 |  |  |
Fair Value of Plan Assets, Ending |  |  |  |  | 0.3 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member] | Cash [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Ending |  | 0.5 |  | 0.5 |  |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending |  | 0.0 |  | 0.0 | 0.0 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 44.7 | 44.7 |  |  |
Fair Value of Plan Assets, Ending |  | 40.2 |  | 40.2 | 44.7 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member] | Group Retiree Medical Insurance Contract [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 44.7 | 44.7 |  |  |
Fair Value of Plan Assets, Ending |  | 40.2 |  | 40.2 | 44.7 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Equity Mutual Funds Investment [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending |  | 0.0 |  | 0.0 | 0.0 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member] | Money market funds [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning |  |  | 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending |  |  |  |  | 0.0 |  |
Other Postretirement Benefit Plans, Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member] | Cash [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Ending |  | 0.0 |  | 0.0 |  |  |
OKLAHOMA | Other Postretirement Benefit Plans, Defined Benefit [Member] |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |
Additional Postretirement Medical Expense to Meet State Requirements |  |  |  | 6.2 | 7.9 | $ 5.8 |
Equity Funds [Member] | Pension Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning | [3] |  | 23.8 | 23.8 |  |  |
Fair Value of Plan Assets, Ending | [3] | 29.9 |  | 29.9 | 23.8 |  |
Equity Funds [Member] | Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning | [3] |  | 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending | [3] | 0.0 |  | 0.0 | 0.0 |  |
Equity Funds [Member] | Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |  |  |
Fair Value of Plan Assets, Beginning | [3] |  | $ 0.0 | 0.0 |  |  |
Fair Value of Plan Assets, Ending | [3] | $ 0.0 |  | $ 0.0 | $ 0.0 |  |
Minimum [Member] | Domestic All-Cap/Large Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.35 |  |  |
Minimum [Member] | Domestic Mid-Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.05 |  |  |
Minimum [Member] | Domestic Small-Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.05 |  |  |
Minimum [Member] | International Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.1 |  |  |
Maximum [Member] | Domestic All-Cap/Large Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.6 |  |  |
Maximum [Member] | Domestic Mid-Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.25 |  |  |
Maximum [Member] | Domestic Small-Cap Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.3 |  |  |
Maximum [Member] | International Equity [Member] |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan, Target Allocation Percentage |  |  |  | 0.3 |  |  |
[1] | Unamortized prior service cost is amortized on a straight-line basis over the average remaining service period to the first eligibility age of participants who are expected to receive a benefit and are active at the date of the plan amendment.
[2] | In addition to the $32.9 million, $22.5 million and $40.2 million of net periodic benefit cost recognized in 2017, 2016 and 2015, respectively, OG&E recognized the following: •a change in pension expense in 2017, 2016 and 2015 of $(2.3) million, $9.9 million and $(3.1) million, respectively, to maintain the allowable amount to be recovered for pension expense in the Oklahoma jurisdiction, which are included in the Pension tracker regulatory asset or liability (see Note 1); •an increase in postretirement medical expense in 2017, 2016 and 2015 of $6.2 million, $7.9 million and $5.8 million, respectively, to maintain the allowable amount to be recovered for postretirement medical expense in the Oklahoma jurisdiction which are included in the Pension tracker regulatory asset or liability (see Note 1); and •a deferral of pension expense in 2017, 2016 and 2015 of $1.1 million, $0.1 million and $1.9 million related to the Arkansas jurisdictional portion of the pension settlement charge of $15.3 million, $8.6 million and $21.7 million, respectively.
[3] | This category represents units of participation in a commingled fund that primarily invested in stocks of international companies and emerging markets.

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(ii) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2709-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 + Details
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- Definition Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Description of target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2446-114920 + Details
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