Benefit Obligations (Schedule of Company's Pension and Post Retirement Benefit Plans) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Amounts Recognized in Accumulated Other Comprehensive Income Consist of:
Net amount recognized		$ 2	$ 7	$ 0
Other comprehensive (income) loss, tax effect		4	4
Pension Plan [Member]
Change in Projected Benefit Obligation
Projected benefit obligation as of beginning of period		3,610	3,412
Service cost		12	9	9
Interest cost		85	115	104
Net actuarial (gain) loss	[1]	275	377
Acquisitions	[2]	42	0
Settlements		(7)	(3)
Benefits paid		(230)	(230)
Curtailments		0	0
Special termination benefits		1	1
Exchange rate changes		59	(3)
Other	[3]	0	(68)
Projected benefit obligation as of end of period		3,847	3,610	3,412
Change in Plan Assets
Fair value of plan assets as of beginning of period		3,141	2,915
Actual return on plan assets		380	467
Employer contributions		43	42
Acquisitions	[2]	30	0
Settlements		(7)	(3)
Benefits paid	[4]	(230)	(230)
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Other Change	[3]	0	(52)
Exchange rate changes		31	2
Fair value of plan assets as of end of period		3,388	3,141	2,915
Funded status as of end of period		(459)	(469)
Amounts Recognized in the Consolidated Balance Sheets Consist of:
Noncurrent Other assets		142	77
Current Other liabilities		(22)	(23)
Benefit obligations		(579)	(523)
Funded status as of end of period		(459)	(469)
Amounts Recognized in Accumulated Other Comprehensive Income Consist of:
Net actuarial (gain) loss	[5]	17	15
Prior service (benefit) cost		0	0
Net amount recognized	[6]	17	15
Other Postretirement Benefits Plan [Member]
Change in Projected Benefit Obligation
Projected benefit obligation as of beginning of period		64	59
Service cost		1	0	1
Interest cost		1	2	2
Net actuarial (gain) loss	[1]	0	8
Acquisitions	[2]	0	0
Settlements		0	0
Benefits paid		(5)	(5)
Curtailments		(1)	0
Special termination benefits		0	0
Exchange rate changes		1	0
Other	[3]	0	0
Projected benefit obligation as of end of period		61	64	59
Change in Plan Assets
Fair value of plan assets as of beginning of period		0	0
Actual return on plan assets		0	0
Employer contributions		5	5
Acquisitions	[2]	0	0
Settlements		0	0
Benefits paid	[4]	(5)	(5)
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Other Change	[3]	0	0
Exchange rate changes		0	0
Fair value of plan assets as of end of period		0	0	$ 0
Funded status as of end of period		(61)	(64)
Amounts Recognized in the Consolidated Balance Sheets Consist of:
Noncurrent Other assets		0	0
Current Other liabilities		(4)	(4)
Benefit obligations		(57)	(60)
Funded status as of end of period		(61)	(64)
Amounts Recognized in Accumulated Other Comprehensive Income Consist of:
Net actuarial (gain) loss	[5]	0	0
Prior service (benefit) cost		(1)	(1)
Net amount recognized	[6]	(1)	(1)
Supplemental Employee Retirement Plan [Member]
Change in Plan Assets
Benefits paid		$ (21)	$ (21)

[1] Primarily relates to changes in discount rates.

[2] Represents plan obligations and assets related to the Elotex acquisition.

[3] Primarily relates to lump sum offers for certain participants of the US qualified defined benefit pension plan

[4] Includes benefit payments to nonqualified pension plans of $21 million and $21 million as of December 31, 2020 and 2019, respectively.

[5] Relates to the pension plans of the Company's equity method investments.

[6] Amount shown net of an income tax benefit of $4 million and $4 million as of December 31, 2020 and 2019, respectively, in the consolidated statements of equity (Note 15).