Pension and Postretirement Expense Level 4 (Details) - Weighted Average Rates used to Determine the Benefit Obligations	6 Months Ended	12 Months Ended
Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Jul. 01, 2019
Pension Plan [Member] \| UNITED STATES
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.10%		4.10%	3.30%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	0.00%		0.00%	0.00%
Pension Plan [Member] \| Foreign Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	1.20%		1.90%	1.30%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	3.40%		2.30%	3.40%
Other Postretirement Benefits Plan [Member] \| UNITED STATES
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	0.00%		4.10%	0.00%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	0.00%		0.00%	0.00%
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	0.00%		6.40%	0.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	0.00%		4.50%	0.00%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate			2029
Other Postretirement Benefits Plan [Member] \| Foreign Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	5.20%		6.30%	6.90%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	0.00%		0.00%	0.00%
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	5.70%		6.20%	6.20%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	4.00%		4.00%	4.00%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate	2040	2040	2040

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Year ultimate health care cost trend rate is expected to be reached, in CCYY format.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 1
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