Share-Based Compensation - Schedule of Share-Based Payment Arrangement Activity (Details) - $ / shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.1	0.1	1.3	1.2
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, granted (in shares)	0.1	0.1	0.7	0.7
Stock units, weighted-average grant date fair value (in dollars per share)	$ 19.26	$ 19.95	$ 22.96	$ 22.82
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	$ 20.46	$ 36.58	$ 23.37