Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2019

Retirement Benefits [Abstract]

Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Pension Plans and Other Postretirement Plans

Weighted Average Assumptions Used in Calculating the Benefit Obligations and the Net Amount Recognized

	Pension Benefits				Other Postretirement Benefits
	For the years ended December 31,
	2019		2018		2019		2018
Discount rate	3.33	%	4.35	%	3.15	%	4.23	%

Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Pension Plans

	For the years ended December 31,
	2019		2018		2017
Discount rate	4.35	%	3.73	%	4.22	%
Expected long-term rate of return on plan assets	6.45	%	6.60	%	6.60	%

Weighted Average Assumptions Used in Calculating the Net Periodic Benefit Cost for Other Postretirement Plans

	For the years ended December 31,
	2019		2018		2017
Discount rate	4.23	%	3.55	%	3.97	%
Expected long-term rate of return on plan assets	6.00	%	6.60	%	6.60	%

Assumed Health Care Cost Trend Rates

Assumed Health Care Cost Trend Rates

	For the years ended December 31,
	2019		2018		2017
Pre-65 health care cost trend rate	7.00	%	6.50	%	6.75	%
Post-65 health care cost trend rate	N/A		N/A		N/A
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50	%	4.50	%	4.50	%
Year that the rate reaches the ultimate trend rate	2033		2028		2028

Change in Benefit Obligation

Change in Benefit Obligation

	Pension Benefits						Other Postretirement Benefits
	For the years ended December 31,
	2019			2018			2019			2018
Benefit obligation — beginning of year	$	4,000		$	4,376		$	220		$	256
Service cost	4			4			—			—
Interest cost	159			142			8			7
Plan participants’ contributions	—			—			13			11
Actuarial loss (gain)	48			(6		)	6			—
Amendments	—			—			(2		)	—
Changes in assumptions	488			(329		)	19			(11		)
Benefits and expenses paid	(201		)	(186		)	(41		)	(45		)
Retiree drug subsidy	—			—			—			2
Foreign exchange adjustment	—			(1		)	—			—
Benefit obligation — end of year	$	4,498		$	4,000		$	223		$	220

Change in Plan Assets

Change in Plan Assets

	Pension Benefits						Other Postretirement Benefits
	For the years ended December 31,
	2019			2018			2019			2018
Fair value of plan assets — beginning of year	$	3,344		$	3,592		$	85		$	114
Actual return on plan assets	701			(172		)	12			(2		)
Employer contributions [1]	70			103			—			—
Benefits paid [2]	(176		)	(161		)	(22		)	(27		)
Expenses paid	(26		)	(17		)	—			—
Foreign exchange adjustment	1			(1		)	—			—
Fair value of plan assets — end of year	$	3,914		$	3,344		$	75		$	85
Funded status — end of year	$	(584	)	$	(656	)	$	(148	)	$	(135	)

[1] Employer contributions in 2019 and 2018 to the U.S. qualified defined benefit pension plan were discretionary, made in cash, and did not include contributions of the Company’s common stock.

[2]

Other postretirement benefits paid represent non-key employee postretirement medical benefits paid from the Company's prefunded trust fund.

Defined Benefit Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets

Defined Benefit Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets

	As of December 31,
	2019		2018
Projected benefit obligation	$	4,498	$	4,000
Accumulated benefit obligation	$	4,498	$	4,000
Fair value of plan assets	$	3,914	$	3,344

Amounts Recognized in Consolidated Balance Sheets

Amounts Recognized in the Consolidated Balance Sheets

	Pension Benefits				Other Postretirement Benefits
	As of December 31,
	2019		2018		2019		2018
Other liabilities	$	584	$	656	$	148	$	135

Net Periodic Cost (Benefit)

Net Periodic Cost (Benefit)

	Pension Benefits									Other Postretirement Benefits
	For the years ended December 31,
	2019			2018			2017			2019			2018			2017
Service cost	$	4		$	4		$	4		$	—		$	—		$	—
Interest cost	159			142			170			8			7			8
Expected return on plan assets	(226		)	(227		)	(267		)	(4		)	(7		)	(8		)
Amortization of prior service credit	—			—			—			(7		)	(7		)	(7		)
Amortization of actuarial loss	44			49			56			6			6			5
Settlements	—			—			750			—			—			—
Net periodic cost (benefit)	$	(19	)	$	(32	)	$	713		$	3		$	(1	)	$	(2	)

Amounts Recognized in Other Comprehensive Income (Loss)

Amounts Recognized in Other Comprehensive Income (Loss)

	Pension Benefits									Other Postretirement Benefits
	For the years ended December 31,
	2019			2018			2017			2019			2018			2017
Amortization of actuarial loss	$	44		$	49		$	56		$	6		$	6		$	5
Settlement loss	—			—			750			—			—			—
Amortization of prior service credit	—			—			—			(7		)	(6		)	(7		)
Net loss arising during the year	(88		)	(91		)	(209		)	(18		)	3			(12		)
Prior service cost (credit)	—			—			—			2			—			—
Total	$	(44	)	$	(42	)	$	597		$	(17	)	$	3		$	(14	)

Amounts in Accumulated Other Comprehensive Income (Loss), Before Tax, not yet Recognized as Components of Net Periodic Benefit Cost

Amounts in Accumulated Other Comprehensive Income (Loss), Before Tax, not yet Recognized as Components of Net Periodic Benefit Cost

	Pension Benefits									Other Postretirement Benefits
	As of December 31,
	2019			2018			2017			2019			2018			2017
Net loss	$	(2,052	)	$	(2,008	)	$	(1,966	)	$	(132	)	$	(120	)	$	(129	)
Prior service credit	—			—			—			67			72			78
Total	$	(2,052	)	$	(2,008	)	$	(1,966	)	$	(65	)	$	(48	)	$	(51	)

Plan Assets

Target Asset Allocation

	Pension Plans				Other Postretirement Plans
	Minimum		Maximum		Minimum		Maximum
Equity securities	5	%	35	%	15	%	45	%
Fixed income securities	50	%	70	%	55	%	85	%
Alternative assets	—	%	45	%	—	%	—	%

Pension Plan Assets at Fair Value

	As of December 31, 2019								As of December 31, 2018
Asset Category	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Short-term investments:	$	34	$	54	$	—	$	88	$	50	$	60	$	—	$	110
Fixed Income Securities:
Corporate	—		2,058		27		2,085		—		1,663		14		1,677
RMBS	—		61		—		61		—		62		1		63
U.S. Treasuries	—		101		—		101		10		120		—		130
Foreign government	—		17		1		18		—		15		2		17
CMBS	—		32		—		32		—		22		—		22
Other fixed income [1]	—		96		1		97		—		52		1		53
Mortgage Loans	—		—		131		131		—		—		133		133
Equity Securities:
Domestic	429		1		—		430		376		3		—		379
International	261		—		—		261		303		—		—		303
Total pension plan assets at fair value, in the fair value hierarchy [2]	$	724	$	2,420	$	160	$	3,304	$	739	$	1,997	$	151	$	2,887
Other Investments, at net asset value [3]:
Private Market Alternatives							358								272
Hedge funds							212								186
Total pension plan assets at fair value.	$	724	$	2,420	$	160	$	3,874	$	739	$	1,997	$	151	$	3,345

[1] Includes ABS, municipal bonds, and CDOs.

[2] Excludes approximately $40 and $1 as of December 31, 2019 and 2018, respectively, of investment receivables net of investment payables that are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value.

[3] Investments that are measured at net asset value per share or an equivalent and have not been classified in the fair value hierarchy.

Other Postretirement Plan Assets at Fair Value

	As of December 31, 2019								As of December 31, 2018
Asset Category	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Short-term investments	$	3	$	—	$	—	$	3	$	4	$	—	$	—	$	4
Fixed Income Securities:
Corporate	—		18		—		18		—		19		—		19
RMBS	—		12		—		12		—		15		—		15
U.S. Treasuries	—		20		—		20		6		13		—		19
Foreign government	—		—		—		—		—		1		—		1
CMBS	—		1		—		1		—		2		—		2
Other fixed income	—		2		—		2		—		2		—		2
Equity Securities:
Large-cap	19				—		19		23		—		—		23
Total other postretirement plan assets at fair value [1]	$	22	$	53	$	—	$	75	$	33	$	52	$	—	$	85

[1]

Excludes approximately $1 of investment payables net of investment receivables as of December 31, 2018 that are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value.

Pension Plan Assets Fair Value Measurements Using Significant Unobservable Inputs

Pension Plan Asset Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Assets	Corporate			RMBS			Foreign government			Mortgage loans			Other [1]			Totals
Fair Value as of January 1, 2019	$	14		$	1		$	2		$	133		$	1		$	151
Realized gains,net	3			—			—			—			—			3
Changes in unrealized gains, net	2			—			—			4			—			6
Purchases	7			—			—			—			—			7
Settlements	—			—			—			—			—			—
Sales	(3		)	(1		)	(1		)	(6		)	—			(11		)
Transfers into Level 3	4			—			—			—			—			4
Transfers out of Level 3	—			—			—			—			—			—
Fair Value as of December 31, 2019	$	27		$	—		$	1		$	131		$	1		$	160
Fair Value as of January 1, 2018	$	14		$	2		$	1		$	140		$	4		$	161
Realized gains,net	—			—			—			—			—			—
Changes in unrealized (losses) gains, net	(1		)	—			—			(1		)	—			(2		)
Purchases	5			—			1			—			—			6
Settlements	—			—			—			—			—			—
Sales	(4		)	(1		)	—			(6		)	(3		)	(14		)
Transfers into Level 3	—			—			—			—			—			—
Transfers out of Level 3	—			—			—			—			—			—
Fair Value as of December 31, 2018	$	14		$	1		$	2		$	133		$	1		$	151

[1]

"Other" includes U.S. Treasuries, Other fixed income and CMBS investments.

Amounts of Benefits Expected to be Paid over the next Ten Years from Pension and other Postretirement Plans

Amounts of Benefits Expected to be Paid over the next Ten Years from Pension and other Postretirement Plans as of December 31, 2019

	Pension Benefits		Other Postretirement Benefits
2020	$	240	$	25
2021	248		23
2022	254		20
2023	256		18
2024	258		16
2025 - 2029	1,291		63
Total	$	2,547	$	165