Retirement Benefits (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost

The following tables set forth the components of net periodic benefit (income)/cost for the Company’s defined benefit pension and PRW plans for the three and six months ended June 30, 2022 and 2021:

	Three Months Ended June 30,
	2022												2021
	U.S.			U.K.			Other			PRW			U.S.			U.K.			Other			PRW
Service cost	$	19		$	4		$	5		$	—		$	20		$	5		$	6		$	—
Interest cost		30			17			4			—			24			14			3			1
Expected return on plan assets		(82	)		(37	)		(9	)		—			(77	)		(43	)		(10	)		—
Settlement		—			—			—			—			—			1			—			—
Amortization of net loss		3			7			1			1			11			7			2			1
Amortization of prior service credit		—			(3	)		—			(1	)		—			(5	)		—			(1	)
Net periodic benefit (income)/cost	$	(30	)	$	(12	)	$	1		$	—		$	(22	)	$	(21	)	$	1		$	1

	Six Months Ended June 30,
	2022												2021
	U.S.			U.K.			Other			PRW			U.S.			U.K.			Other			PRW
Service cost	$	38		$	7		$	11		$	—		$	40		$	9		$	12		$	—
Interest cost		59			36			8			1			47			28			6			1
Expected return on plan assets		(165	)		(76	)		(19	)		—			(154	)		(86	)		(19	)		—
Settlement		—			—			—			—			1			1			—			—
Amortization of net loss		7			15			2			1			22			14			3			1
Amortization of prior service credit		—			(6	)		—			(2	)		—			(9	)		—			(2	)
Net periodic benefit (income)/cost	$	(61	)	$	(24	)	$	2		$	—		$	(44	)	$	(43	)	$	2		$	—