Defined Benefit Plans, Period to Complete Settlement of Pension Plan

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Represents the number of defined benefit plans covering all eligible employees of the entity.

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The interest rate used to adjust for the time value of money.

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Expected Long-Term Rate of Return on Plan Assets
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- Definition

Expected rate of compensation increases (for pay-related plans).

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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ References

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- Definition

Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits.

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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- Definition

The increase (decrease) during the reporting period in the amount due to fund retirement benefits to employees, retired and disabled former employees.

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Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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- Definition

Amount before tax of gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of defined benefit pension and other postretirement defined benefit plans.

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Pension Plans and Other Postretirement Benefits - Additional Information (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) Plan	Dec. 31, 2014 USD ($) Plan	Dec. 31, 2013 USD ($) Plan
Compensation and Retirement Disclosure [Abstract]
Employer's contributions under defined contribution plans		$ 251	$ 238	$ 235
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans \| Plan		7	9	9
Multiemployer Plans, Pension
Defined Benefit Plan Disclosure [Line Items]
Period contributions		$ 14	$ 14	$ 13
Change in Assumptions for Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension plan obligations	$ 67
Minimum
Defined Benefit Plan Disclosure [Line Items]
Period to complete settlement of pension plan		18 months
Maximum
Defined Benefit Plan Disclosure [Line Items]
Period to complete settlement of pension plan		24 months
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Increase in OCI	67
Settlement loss		$ 0	$ 3	0
Discount rate		4.25%	4.00%
Rate of compensation increase		4.00%	6.00%
Employer contributions		$ 22	$ 42	33
Estimated future employer contributions in next fiscal year		37
Benefit obligation	$ 844	844	796	694
Net periodic pension cost		$ 19	$ 21	$ 19
Pension Plans \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	21.00%	21.00%	14.00%
Pension Plans \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	79.00%	79.00%	86.00%
Pension Plans \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	80.00%	80.00%	81.00%
Pension Plans \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	19.00%	19.00%	18.00%
Pension Plans \| Money Market Funds
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	2.00%	2.00%	1.00%
Pension Plans \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ 175
Expected long-term rate of return on plan assets		5.75%	5.75%
Pension Plans \| Minimum \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	80.00%	80.00%
Pension Plans \| Minimum \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	0.00%	0.00%
Pension Plans \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ 250
Expected long-term rate of return on plan assets		6.75%	7.25%
Pension Plans \| Maximum \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	100.00%	100.00%
Pension Plans \| Maximum \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations percent	20.00%	20.00%
Tax Qualified Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans \| Plan		2	4	4
Discount rate		3.25%
Unfunded Nonqualified Supplemental Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans \| Plan		5	5	5
Other Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement loss			$ 8
Period contributions		$ 60	58	$ 55
Benefit obligation	$ 33	33	31
Net periodic pension cost		$ 2	$ 1	$ 11