Segment Information - EBITDA Reconciliation to Net Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Adjusted EBITDA
Adjusted EBITDA	$ 324	$ 318	$ 310
Amortization of intangibles	(22)	(10)	(9)
Depreciation	(63)	(55)	(49)
Restructuring costs	(11)	(3)	(5)
Interest expense	(36)	(34)	(35)
Deal-related transaction costs	(7)	(43)	(5)
Other one-time non-operational events	7	(2)	(7)
Gain on sale of dispositions	0	354	0
Income tax provision	(24)	(120)	(46)
Net earnings	168	405	154
ASC
Adjusted EBITDA
Depreciation	(44)	(36)	(33)
IMS
Adjusted EBITDA
Depreciation	(19)	(19)	(16)
Operating Segments | ASC
Adjusted EBITDA
Adjusted EBITDA	215	199	220
Operating Segments | IMS
Adjusted EBITDA
Adjusted EBITDA	109	119	90
Corporate & Eliminations
Adjusted EBITDA
Adjusted EBITDA	$ 0	$ 0	$ 0