Shareholders' Equity - Shares Repurchased (Details) - USD ($) $ / shares in Units, $ in Millions	2 Months Ended	12 Months Ended
	Feb. 27, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Nov. 08, 2024	May 02, 2024
Equity, Class of Treasury Stock [Line Items]
Total payments		$ 502	$ 199	$ 500
Common Shares
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, additional authorized amount					$ 250	$ 300
Number of shares repurchased (in shares)		6,180,774	3,215,893	8,847,981
Total payments		$ 502	$ 199	$ 503
Average Price Paid Per Share (in dollars per share)		$ 81.28	$ 61.95	$ 56.79
Subsequent Event | Common Shares
Equity, Class of Treasury Stock [Line Items]
Remaining shares authorized to be repurchased, amount	$ 276
Number of shares repurchased (in shares)	829,461
Total payments	$ 76
Average Price Paid Per Share (in dollars per share)	$ 91.53