Consolidated Statements of Redeemable Noncontrolling Interest and Stockholders' Equity (Unaudited) (Parenthetical) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2019 USD ($) $ / shares
Stock split description	five-for-one stock split effected in the form of a stock dividend in August 2020
Stock split ratio	5	5
May 2019 Public Offering [Member]
Common stock issued, per share | $ / shares		$ 48.60
Common stock public offering issuance costs		$ 15
February 2020 Public Offering [Member]
Common stock issued, per share | $ / shares	$ 153.40
Common stock public offering issuance costs	$ 28
At-the-Market Offering Program [Member]
Common stock public offering issuance costs	$ 26