Assumed Health Care Plan Post-Age

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- Definition

Assumed Health Care Plan Pre-Age

+ References

No definition available.

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- Definition

Defined Benefit Plan, Percent Change Assumed In Health Care Cost Trend Metric

+ References

No definition available.

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- Definition

Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year, Above Minimum

+ References

No definition available.

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- Definition

Percent Of Amount Above Annual PreTax Profit For Profit Sharing Payout

+ References

No definition available.

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- Definition

Percent Of Amount Above Threshold For Profit Sharing Payout

+ References

No definition available.

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- Definition

Percent Of Annual PreTax Profit For Profit Sharing Payout

+ References

No definition available.

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- Definition

Percent Of Threshold Amount For Profit Sharing Payout

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No definition available.

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- Definition

Profit Sharing Threshold

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No definition available.

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- Definition

Unfunded Liability, Defined Benefit Plan, Interest Rate

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Gain or Loss
-URI http://asc.fasb.org/extlink&oid=49168827

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)(4)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

+ References

No definition available.

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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
-URI http://asc.fasb.org/extlink&oid=6512046

Reference 2: 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=65897934&loc=d3e1928-114920

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- Definition

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

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: 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=65897934&loc=d3e2446-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

The ultimate trend rate for health care costs.

+ 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=65897934&loc=d3e1928-114920

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Amount of labor-related expenses classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Employee Benefit Plans - Narrative (Details) - USD ($)	12 Months Ended
Employee Benefit Plans - Narrative (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure
Defined benefit plan, other information, discount rate	8.85%
Defined benefit plan, estimated future employer contributions in next fiscal year	$ 1,200,000,000
Contributions above minimum	$ 700,000,000
Assumed Health care plan pre age	65 years
Assumed Health care plan post age	65 years
Defined benefit obligation increase or decrease due to actuarial gain or loss	$ 526,000,000	$ (1,100,000,000)
Pension and other postretirement benefit plans, amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year	$ 268,000,000
Defined benefit plan, ultimate health care cost trend rate	5.00%
Defined benefit plan, percent change assumed In health care cost trend metric	1.00%
Weighted average expected long-term rate of return on plan assets	8.94%	8.94%	8.94%
Profit sharing	$ 1,115,000,000	$ 1,490,000,000	$ 1,085,000,000
Percent of annual pre-tax profit for profit sharing payout	10.00%
Percent of year-over-year increase in annual pre-tax profit for profit sharing payout	20.00%
Percent of threshold amount for profit sharing payout		10.00%
Percent of amount above threshold for profit sharing payout		20.00%
Profit sharing threshold		$ 2,500,000,000.0
Growth-seeking assets \| Maximum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	50.00%
Growth-seeking assets \| Minimum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	40.00%
Income-generating assets \| Maximum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	30.00%
Income-generating assets \| Minimum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	20.00%
Risk-diversifying assets \| Maximum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	30.00%
Risk-diversifying assets \| Minimum
Defined Benefit Plan Disclosure
Defined benefit plan, target plan asset allocations	25.00%