Stockholders' Equity of the Company - Stock Repurchase Program (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($) shares	Dec. 31, 2020 USD ($) increase $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	Aug. 31, 2016 USD ($)
Class of Stock [Line Items]
Number of shares purchased (in shares)		8,538,995	4,465,857	9,468,617	8,105,881
Maximum approximate dollar value of shares that may yet be purchased under the plan | $ / shares		$ 62.39	$ 86.06	$ 99.03	$ 104.61
2016 Repurchase Program
Class of Stock [Line Items]
Stock repurchase program, authorized amount | $	$ 500,000,000.0	$ 500,000,000.0	$ 500,000,000.0	$ 500,000,000.0	$ 500,000,000.0	$ 500,000,000.0	$ 1,000,000,000.0
Number of increases to share repurchase program | increase		5
Stock repurchase program, authorized amount, total | $	$ 3,500,000,000	$ 3,500,000,000
Number of shares purchased (in shares)		30,579,350	22,040,355	17,574,498	8,105,881
Settled In January 2021
Class of Stock [Line Items]
Number of shares purchased (in shares)	63,374