Segment Reporting - Selected Financial Information for Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	$ 1,578	$ 1,754	$ 3,080	$ 3,469
Depreciation and amortization	59	62	118	126
Interest income	42	53	87	110
Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	19	21	38	44
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,597	1,775	3,118	3,513
Segment profit	$ 85	$ 107	$ 118	$ 225
Segment margin	5.40%	6.10%	3.80%	6.50%
Depreciation and amortization	$ 49	$ 52	$ 98	$ 105
Interest income	38	49	80	101
Interest expense	29	34	56	70
Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,489	1,653	2,900	3,266
Print and Other | Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	19	21	38	44
Print and Other | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,508	1,674	2,938	3,310
Segment profit	$ 81	$ 107	$ 114	$ 207
Segment margin	5.40%	6.50%	3.90%	6.30%
Depreciation and amortization	$ 49	$ 52	$ 98	$ 105
Interest income	0	0	0	0
Interest expense	0	0	0	0
XFS
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	89	101	180	203
XFS | Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	0	0	0	0
XFS | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	89	101	180	203
Segment profit	$ 4	$ 0	$ 4	$ 18
Segment margin	4.50%	0.00%	2.20%	8.90%
Depreciation and amortization	$ 0	$ 0	$ 0	$ 0
Interest income	38	49	80	101
Interest expense	$ 29	$ 34	$ 56	$ 70