Pension and Postretirement Benefit Plans - Future Benefit Payments (Details) $ in Millions	Dec. 31, 2016 USD ($)
United States Qualified and Non-qualified Pension Benefits
Future Pension and Postretirement Benefit Payments
2017 Benefit Payments	$ 1,020
2018 Benefit Payments	1,040
2019 Benefit Payments	1,057
2020 Benefit Payments	1,071
2021 Benefit Payments	1,088
Following five years	5,586
International Qualified and Non-qualified Pension Benefits
Future Pension and Postretirement Benefit Payments
2017 Benefit Payments	203
2018 Benefit Payments	212
2019 Benefit Payments	228
2020 Benefit Payments	235
2021 Benefit Payments	256
Following five years	1,452
Postretirement Benefits
Future Pension and Postretirement Benefit Payments
2017 Benefit Payments	129
2018 Benefit Payments	139
2019 Benefit Payments	147
2020 Benefit Payments	157
2021 Benefit Payments	166
Following five years	$ 839

No definition available.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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