Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2019

Retirement Benefits [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

A December 31 measurement date is used for all of the defined benefit and postretirement plans. The status of these plans as of December 31, 2019 and 2018 is summarized below (dollars in millions):

	December 31,
	Pension Benefits						Other Benefits
	2019			2018			2019			2018
Change in benefit obligation:
Benefit obligation at beginning of year	$	179		$	172		$	67		$	70
Service cost	13			13			3			3
Interest cost	7			5			3			2
Participant contributions	—			—			—			—
Actuarial (gains) losses	28			(1		)	15			(7		)
Benefits paid	(8		)	(8		)	(1		)	(1		)
Foreign exchange translations and other adjustments	1			(2		)	—			—
Benefit obligation at end of year	$	220		$	179		$	87		$	67

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

	December 31,
	Pension Benefits						Other Benefits
	2019			2018			2019			2018
Change in plan assets:
Fair value of plan assets at beginning of year	$	103		$	103		$	—		$	—
Actual return on plan assets	21			(6		)	—			—
Employer contributions	17			14			1			1
Participant contributions	—			—			—			—
Benefits paid and expenses	(8		)	(8		)	(1		)	(1		)
Fair value of plan assets at end of year	$	133		$	103		$	—		$	—
Funded status at end of year	$	(87	)	$	(76	)	$	(87	)	$	(67	)

Schedule of Net Funded Status [Table Text Block]

	December 31,
	Qualified Plans						Non-Qualified Plans(1)						Total
	2019			2018			2019			2018			2019			2018
Aggregate fair value of plan assets	$	133		$	103		$	—		$	—		$	133		$	103
Aggregate projected benefit obligations	139			112			81			67			220			179
Under funded	$	(6	)	$	(9	)	$	(81	)	$	(67	)	$	(87	)	$	(76	)

(1)

For non-qualified plans, there are no required funding levels.

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	December 31,
	Pension Benefits				Other Benefits
	2019		2018		2019			2018
Amounts recognized in accumulated other comprehensive income:
Net actuarial loss	$	59	$	49	$	39		$	26
Net prior service cost (credit)	—		—		(9		)	(10		)
Total	$	59	$	49	$	30		$	16

Schedule Of Projected Benefit Obligations In Excess Of Fair Value Of Plan Assets [Table Text Block]

The following table presents information for qualified and non-qualified pension plans with a projected benefit obligation in excess of plan assets as of December 31, 2019 and 2018 (dollars in millions):

	2019		2018
Projected benefit obligation	$	220	$	179
Fair value of plan assets	133		103

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]

The following table presents information for pension plans with an accumulated benefit obligation in excess of plan assets as of December 31, 2019 and 2018 (dollars in millions):

	2019		2018
Accumulated benefit obligation	$	212	$	174
Fair value of plan assets	133		103

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

The components of net periodic benefit cost, included in other operating expenses on the consolidated statements of income, and other changes in plan assets and benefit obligations recognized in other comprehensive income were as follows (dollars in millions):

	Pension Benefits									Other Benefits
	2019			2018			2017			2019			2018			2017
Net periodic benefit cost:
Service cost	$	13		$	13		$	11		$	3		$	3		$	2
Interest cost	7			5			5			3			2			2
Expected return on plan assets	(7		)	(8		)	(6		)	—			—			—
Amortization of net actuarial losses	4			4			4			1			2			2
Amortization of prior service cost (credit)	—			—			—			(1		)	(1		)	(1		)
Settlements	—			—			5			—			—			—
Net periodic benefit cost	17			14			19			6			6			5
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial (gains) losses	14			13			2			14			(7		)	6
Amortization of net actuarial (losses)	(4		)	(4		)	(4		)	(1		)	(2		)	(2		)
Amortization of prior service (cost) credit	—			—			—			1			1			1
Settlements	—			—			(5		)	—			—			—
Foreign exchange translations and other adjustments	—			—			1			—			—			—
Total recognized in other comprehensive income	10			9			(6		)	14			(8		)	5
Total recognized in net periodic benefit cost and other comprehensive income	$	27		$	23		$	13		$	20		$	(2	)	$	10

Schedule of Expected Benefit Payments [Table Text Block]

The following benefit payments, which reflect expected future service as appropriate, are expected to be paid (dollars in millions):

	Pension Benefits		Other Benefits
2020	$	11	$	2
2021	11		2
2022	13		2
2023	13		3
2024	14		3
2025-2029	83		21

Defined Benefit Plan, Assumptions [Table Text Block]

Weighted average assumptions used to determine the accumulated benefit obligation and net benefit cost or income were as follows:

	Pension Benefits						Other Benefits
	2019		2018		2017		2019		2018		2017
Discount rate used to determine benefit obligation	3.05	%	4.02	%	3.40	%	3.17	%	4.17	%	3.56	%
Discount rate used to determine net benefit cost or income	4.03	%	3.41	%	3.81	%	4.17	%	3.56	%	4.10	%
Expected long-term rate of return on plan assets	7.00	%	7.35	%	7.35	%	—	%	—	%	—	%
Rate of compensation increases	4.61	%	4.17	%	4.16	%	—	%	—	%	—	%

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

The assumed health care cost trend rates used in measuring the accumulated non-pension post-retirement benefit obligation were as follows:

	December 31,
	2019	2018
Pre-Medicare eligible claims	8% down to 4.5% in 2026	8% down to 5% in 2024
Medicare eligible claims	8% down to 4.5% in 2026	8% down to 5% in 2024

Schedule of Allocation of Plan Assets [Table Text Block]

The fair values of the Company’s qualified pension plan assets as of December 31, 2019 and 2018 are summarized below (dollars in millions):

	December 31, 2019
			Fair Value Measurement Using:
	Total		Level 1		Level 2		Level 3
Mutual Funds(1)	$	133	$	133	$	—	$	—
Cash	—		—		—		—
Total	$	133	$	133	$	—	$	—

(1) Mutual funds were invested 27% in U.S. equity funds, 39% in U.S. fixed income funds, 18% in non-U.S. equity funds and 16% in other.

	December 31, 2018
			Fair Value Measurement Using:
	Total		Level 1		Level 2		Level 3
Mutual Funds(2)	$	103	$	103	$	—	$	—
Cash	—		—		—		—
Total	$	103	$	103	$	—	$	—

(2)

Mutual funds were invested 25% in U.S. equity funds, 42% in U.S. fixed income funds, 17% in non-U.S. equity funds and 16% in other.