Stockholders' Equity and EPS - Activity Related to Net Gains on Cash Flow Hedges in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cash flow hedge gains expected to reclassified out of AOCI over next 12 months	$ 41.0
Balance, beginning of period, net of tax	16,609.0	$ 8,433.0	$ 6,622.0
Balance, end of period, net of tax	16,295.0	16,609.0	8,433.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	83.0	130.0	(2.0)
Net (decrease) increase in fair value, net of tax	0.0	(1.0)	168.0
Net realized (gain) loss reclassified to net income, net of tax	(40.0)	(46.0)	(36.0)
Balance, end of period, net of tax	$ 43.0	$ 83.0	$ 130.0