Retirement Plans International Pension Plan, Expected Benefit Payments (Details) - Foreign Plan [Member] $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of years annual benefit payments	10 years
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 46
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	44
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	45
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	45
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	47
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 266

Number of years annual benefit payments are estimated to be made at the current level.

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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

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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- Definition

Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

+ References

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