Segment Reporting - Selected Financial Information For Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended						6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	$ 1,754	$ 1,715	$ 1,941	$ 1,751	$ 1,747	$ 1,668	$ 3,469	$ 3,415	$ 7,107
Depreciation and amortization	62				68		126	140
Interest income	53				55		110	109
Total Interest expense	46				49		96	102
Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	(21)	(23)	(22)	(23)	(22)	(23)	(44)	(45)	(90)
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,775				1,769		3,513	3,460
Segment profit	$ 107	118	178	65	$ 35	(3)	$ 225	$ 32	275
Segment margin	6.10%				2.00%		6.50%	0.90%
Depreciation and amortization	$ 52				$ 58		$ 105	$ 119
Interest income	49				52		101	105
Total Interest expense	34				26		70	50
Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,653				1,651		3,266	3,221
Print and Other | Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	(21)				(22)		(44)	(45)
Print and Other | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,674	1,636	1,862	1,676	1,673	1,593	3,310	3,266	6,804
Segment profit	$ 107	100	177	63	$ 29	(11)	$ 207	$ 18	258
Segment margin	6.50%				1.80%		6.30%	0.60%
Depreciation and amortization	$ 52				$ 58		$ 105	$ 119
Interest income	0				0		0	0
Total Interest expense	0				0		0	0
FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	101				96		203	194
FITTLE | Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	0				0		0	0
FITTLE | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	101	102	101	98	96	98	203	194	393
Segment profit	$ 0	$ 18	$ 1	$ 2	$ 6	$ 8	$ 18	$ 14	$ 17
Segment margin	0.00%				6.30%		8.90%	7.20%
Depreciation and amortization	$ 0				$ 0		$ 0	$ 0
Interest income	49				52		101	105
Total Interest expense	$ 34				$ 26		$ 70	$ 50