Stock Transactions And Stock-Based Compensation - Summary of Share Activity (Details) - shares shares in Millions		12 Months Ended
	Sep. 20, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock Activity [Roll Forward]
Shares issued to Danaher (in shares)	127.9
Common Stock
Stock Activity [Roll Forward]
Balance, beginning of period (in shares)		160.2	158.7	0.0
Shares issued to Danaher (in shares)		0.0	0.0	127.9
Issuance of common stock (in shares)		1.8	1.5	30.8
Balance, end of period (in shares)		162.0	160.2	158.7