Share-Based Compensation - Schedule of Share-Based Payment Arrangement Activity (Details) - $ / shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.8	0.0	2.1	1.2
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.0	0.0	0.7	0.7
Stock units, weighted-average grant date fair value (in dollars per share)	$ 18.76	$ 22.80	$ 22.85	$ 22.82
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.8	0.0	0.8	0.0
Stock units, weighted-average grant date fair value (in dollars per share)	$ 19.60	$ 0	$ 19.60	$ 0
Performance based restricted share unit awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.0	0.0	0.6	0.5
Stock units, weighted-average grant date fair value (in dollars per share)	$ 0	$ 23.28	$ 36.58	$ 23.37