Defined Benefit Plan, Benefit Obligation, Percentage Decrease Due To Expected Mortality Update In The Current Year

No definition available.

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- Definition

Other Post-Retirement Plan, Benefit Obligation, Percentage Decrease Due To Expected Mortality Update In The Current Year

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.

+ 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 (m)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.

+ References

+ Details

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- Definition

Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.

+ References

+ Details

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- Definition

Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.

+ References

+ Details

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Retirement Plans and Other Retiree Benefits - Key Assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Retiree Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Effect of one percentage point increase on accumulated postretirement benefit obligation	$ 123
Effect of one percentage point increase on service and interest cost	9
Effect of one percentage point decrease on accumulated postretirement benefit obligation	(100)
Effect of one percentage point decrease on service and interest cost	$ (7)
Other post-retirement plan, benefit obligation, percent decrease due to expected mortality update in the current year		2.00%	2.00%
United States \| Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, benefit obligation, percent decrease due to expected mortality update in current year		1.00%	1.00%