Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Supplemental Cash Flow [Line Items]
Interest paid	$ 180	$ 189	$ 154
Income taxes paid, net of (refunds received)	36	3	(116)
Cash receipts upon exercise of stock options	2	0	0
Cash disbursements for payment of taxes	(13)	(6)	(5)
Net cash receipts (disbursements) from exercises of stock options and vesting of other stock awards	(11)	(6)	(5)
Noncash software license acquisitions	25	24	$ 130
Other current liabilities
Supplemental Cash Flow [Line Items]
Short-term software license liabilities	43	68
Other deferred liabilities and credits
Supplemental Cash Flow [Line Items]
Long-term software license liabilities	$ 19	$ 35
Common Shares
Supplemental Cash Flow [Line Items]
Common Shares withheld (in shares)	363,000	347,000	154,000
Aggregate value of Common Shares withheld	$ 13	$ 9	$ 5