Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule Of Accumulated Benefit Obligations In Excess Of Plan Assets

Pension plans with an accumulated benefit obligation in excess of plan assets at December 31 are as follows:



	2017						2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Information for pension plans with an accumulated benefit obligation in excess of plan assets
Projected benefit obligation	$	(807	)	$	(128	)	$	(799	)	$	(113	)
Accumulated benefit obligation	(807		)	(126		)	(799		)	(110		)
Fair value of plan assets	650			5			614			5

Schedule Of Net Benefit Costs And Amounts Recognized In Other Comprehensive Income

The following table provides the components of net periodic benefit costs, other changes in plan assets and benefit obligation recognized in other comprehensive income.



	Year Ended December 31,
	2017						2016					2015
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Components of net periodic benefit cost
Service cost	$	3		$	2		$	1		$	2	$	—		$	2
Administrative expenses	2			—			3			—		—			—
Interest cost	25			2			9			2		2			2
Expected return on plan assets	(40		)	(1		)	(15		)	—		(3		)	—
Net amortization	1			1			1			—		1			1
Settlement benefits	—			—			—			—		1			—
Net periodic benefit cost (gain)	$	(9	)	$	4		$	(1	)	$	4	$	1		$	5

Other changes in plan assets and benefit obligation recognized in other comprehensive income (OCI)
Net loss (gain) emerging	$	(18	)	$	—		$	(67	)	$	13	$	1		$	(17	)
Amortization of net loss	(1		)	(1		)	(1		)	—		(2		)	(1		)
Total recognized in OCI	$	(19	)	$	(1	)	$	(68	)	$	13	$	(1	)	$	(18	)
Total net periodic benefit cost and OCI	$	(28	)	$	3		$	(69	)	$	17	$	—		$	(13	)

Schedule Of Weighted Average Assumptions Used

The weighted-average assumptions used to determine pension plan obligations and net periodic benefit costs for the plans are as follows:



	2017				2016				2015
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
Weighted average assumptions used to determine benefit obligations at December 31
Discount rate	3.4	%	1.8	%	3.8	%	1.8	%	4.0	%	2.4	%
Rate of compensation increase	—	%	2.6	%	—	%	2.6	%	—	%	2.5	%
Weighted average assumptions used to determine net periodic benefit costs for years ended December 31
Discount rate for benefit obligations	3.8	%	1.8	%	3.2	%	2.4	%	3.5	%	1.9	%
Discount rate for service cost	4.1	%	1.9	%	3.4	%	2.4	%	—	%	—	%
Discount rate for interest cost	3.2	%	2.0	%	2.9	%	2.4	%	—	%	—	%
Expected return on plan assets	6.8	%	3.8	%	6.8	%	4.6	%	7.0	%	—	%
Rate of compensation increase	N/A		2.6	%	—	%	2.6	%	—	%	2.5	%

Schedule Of Fair Value Of Pension Plan Assets

The investments in the collective trust and mutual funds are valued using a market approach based on the net asset value of units held. The fair values of the Company's U.S. plan assets at December 31, by asset category, are as follows:



	2017
	U.S. Plans						Non U.S. Plans
	Level 1		Level 2		Total		Level 1		Level 2		Total
Cash and common stock:
Cash and cash equivalents	$	—	$	—	$	—	$	5	$	—	$	5
Common stock	21		—		21		—		—		—
Collective investment trust and mutual funds—Equity securities:
Large-cap funds ⁽¹⁾	49		173		222		—		2		2
Small-cap funds ⁽²⁾	9		25		34		—		—		—
International funds ⁽³⁾	69		50		119		—		5		5
Collective investment trust and mutual funds—Fixed income:
Bond funds ⁽⁴⁾	116		125		241		—		6		6
Short-term investment funds	—		13		13		—		—		—
	$	264	$	386	$	650	$	5	$	13	$	18



	2016
	U.S. Plans						Non U.S. Plans
	Level 1		Level 2		Total		Level 1		Level 2		Total
Cash and common stock:
Cash and cash equivalents	$	—	$	—	$	—	$	5	$	—	$	5
Common stock	17		—		17		—		—		—
Collective investment trust and mutual funds—Equity securities:
Large-cap funds ⁽¹⁾	50		167		217		—		2		2
Small-cap funds ⁽²⁾	8		23		31		—		—		—
International funds ⁽³⁾	53		54		107		—		4		4
Collective investment trust and mutual funds—Fixed income:
Bond funds ⁽⁴⁾	62		165		227		—		5		5
Short-term investment funds	—		15		15		—		—		—
	$	190	$	424	$	614	$	5	$	11	$	16

______________________________


(1)	Substantially all of the assets of these funds are invested in large-cap U.S. companies. The remainder of the assets of these funds is invested in cash reserves.


(2)	Substantially all of the assets of these funds are invested in small-cap U.S. companies. The remainder of the assets of these funds is invested in cash reserves.


(3)	Substantially all of the assets of these funds are invested in international companies in developed markets (excluding the U.S.). The remainder of the assets of these funds is invested in cash reserves.


(4)	This category represents investment grade bonds of U.S. issuers, including U.S. Treasury notes.

Schedule of Multi-employer Plans

Contributions to the Company's multi-employer plans are expensed as incurred and were as follows:



	Year Ended December 31,
	2017		2016		2015
	Non-U.S. Plans		Non-U.S. Plans		Non-U.S. Plans
Contributions to multi-employer plans ⁽¹⁾	$	8	$	5	$	4

______________________________

(1)

The plan information for both the Pensionskasse der Mitarbeiter der Hoechst-Gruppe VVaG and Pensionskasse der Wacker-Chemie GmbH VVaG plans is publicly available. The plans provide fixed, monthly retirement payments on the basis of the credits earned by the participating employees. To the extent that the plans are underfunded, future contributions to the plans may increase and may be used to fund retirement benefits for employees related to other employers. The Company does not consider either of its multi-employer plans individually significant.

Schedule Of Estimated Future Benefit Payments

The following benefit payments are expected to be paid:



	Pension Benefits		Other Post- retirement Benefits
Estimated future benefit payments:
Year 1	$	51	$	8
Year 2	53		8
Year 3	52		8
Year 4	52		8
Year 5	53		8
Years 6 to 10	265		30

Defined Benefit Plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

Details of the changes in benefit obligations, plan assets and funded status of the Company's pension plans are as follows:



	2017						2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation
Benefit obligation, beginning of year	$	799		$	125		$	62		$	95
Benefit obligation assumed with acquisition	—			—			818			21
Service cost	3			2			1			1
Interest cost	25			3			9			2
Actuarial loss (gain)	41			—			(74		)	13
Benefits paid	(45		)	(3		)	(17		)	(3		)
Settlements	(16		)	(1		)	—			—
Foreign exchange effects	—			16			—			(4		)
Benefit obligation, end of year	$	807		$	142		$	799		$	125

Change in plan assets
Fair value of plan assets, beginning of year	$	614		$	16		$	51		$	—
Acquisition	—			—			576			16
Actual return	97			1			7			—
Employer contribution	2			1			—			3
Benefits paid	(45		)	—			(17		)	(3		)
Administrative expenses paid	(2		)	—			(3		)	—
Settlements	(16		)	(1		)	—			—
Foreign exchange effects	—			1			—			—
Fair value of plan assets, end of year	$	650		$	18		$	614		$	16
Funded status, end of year	$	(157	)	$	(124	)	$	(185	)	$	(109	)

Schedule of Amounts Recognized in Balance Sheet



	2017						2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Amounts recognized in the consolidated balance sheet at December 31
Current liabilities	$	(2	)	$	(3	)	$	(2	)	$	(2	)
Noncurrent liabilities	(155		)	(121		)	(183		)	(107		)
Net amount recognized	$	(157	)	$	(124	)	$	(185	)	$	(109	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)



	2017					2016
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Amounts recognized in accumulated other comprehensive income (loss)
Net loss (gain)	$	(71	)	$	9	$	(53	)	$	8
Total before tax ⁽¹⁾	$	(71	)	$	9	$	(53	)	$	8

______________________________


(1)	After-tax totals for pension benefits were $43 and $30 for 2017 and 2016, respectively, and are reflected in stockholders' equity as accumulated other comprehensive income.

Other Postretirement Plan Benefits [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

The following table provides a reconciliation of the benefit obligations of the Company's unfunded post-retirement healthcare plans.



	2017						2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Change in benefit obligation
Benefit obligation, beginning of year	$	80		$	3		$	18		$	—
Benefit obligation assumed with acquisition	—			—			69			3
Service cost	1			—			—			—
Interest cost	2			—			1			—
Actuarial loss (gain)	(1		)	—			(6		)	—
Benefits paid	(9		)	—			(2		)	—
Benefit obligation, end of year	$	73		$	3		$	80		$	3

Change in plan assets
Fair value of plan assets, beginning of year	$	—		$	—		$	—		$	—
Employer contribution	9			—			2			—
Plan participants' contributions	—			—			—			—
Benefits paid	(9		)	—			(2		)	—
Fair value of plan assets, end of year	$	—		$	—		$	—		$	—
Funded status, end of year	$	(73	)	$	(3	)	$	(80	)	$	(3	)

Schedule of Amounts Recognized in Balance Sheet



	2017						2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Amounts recognized in the consolidated balance sheet at December 31
Current liabilities	$	(8	)	$	—		$	(8	)	$	—
Noncurrent liabilities	(65		)	(3		)	(72		)	(3		)
Net amount recognized	$	(73	)	$	(3	)	$	(80	)	$	(3	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)



	2017					2016
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans
Amounts recognized in accumulated other comprehensive income (loss)
Net loss	$	(5	)	$	—	$	(4	)	$	—
Total before tax ⁽¹⁾	$	(5	)	$	—	$	(4	)	$	—

______________________________


(1)	After-tax totals for post-retirement healthcare benefits were a loss of $0 and $1 for 2017 and 2016, respectively, and are reflected in stockholders' equity as accumulated other comprehensive income (loss).

Schedule Of Net Benefit Costs And Amounts Recognized In Other Comprehensive Income

The following table provides the components of net periodic benefit costs, other changes in plan assets and benefit obligation recognized in other comprehensive income.



	Year Ended December 31,
	2017					2016					2015
	U.S. Plans			Non-U.S. Plans		U.S. Plans			Non-U.S. Plans		U.S. Plans
Components of net periodic benefit cost
Service cost	$	1		$	—	$	—		$	—	$	—
Interest cost	2			—		1			—		1
Net amortization	—			—		—			—		—
Net periodic benefit cost	$	3		$	—	$	1		$	—	$	1

Other changes in plan assets and benefit obligation recognized in OCI
Net loss (gain) emerging	$	(1	)	$	—	$	(6	)	$	—	$	(2	)
Total recognized in OCI	$	(1	)	$	—	$	(6	)	$	—	$	(2	)
Total net periodic benefit cost and OCI	$	2		$	—	$	(5	)	$	—	$	(1	)

Schedule Of Weighted Average Assumptions Used

The weighted-average assumptions used to determine post-retirement healthcare plan obligations and net periodic benefit costs for the plans are as follows:



	2017				2016				2015
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans		U.S. Plans
Weighted average assumptions used to determine benefit obligations at December 31
Discount rate	3.0	%	4.0	%	3.3	%	4.0	%	3.5	%
Health care cost trend rate
- Initial rate	7.3	%	6.2	%	7.3	%	6.2	%	—	%
- Ultimate rate	4.5	%	4.5	%	4.5	%	4.5	%	—	%
- Years to ultimate	11		12		11		12		0
Weighted average assumptions used to determine net periodic benefit costs for years ended December 31
Discount rate for benefit obligations	3.3	%	3.3	%	2.6	%	3.3	%	3.3	%
Discount rate for service cost	3.8	%	3.3	%	3.1	%	3.3	%	—	%
Discount rate for interest cost	2.6	%	3.3	%	2.8	%	3.3	%	—	%
Health care cost trend rate
- Initial rate	6.8	%	6.8	%	7.0	%	6.8	%	—	%
- Ultimate rate	4.6	%	4.5	%	4.5	%	4.5	%	—	%
- Years to ultimate	11		12		12		13		0