Label	Element	Value
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	$ 1,472,700,000
Treasury Stock [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Retained Earnings (Accumulated Deficit)	us-gaap_RetainedEarningsAccumulatedDeficit	0
AOCI Attributable to Parent [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Retained Earnings (Accumulated Deficit)	us-gaap_RetainedEarningsAccumulatedDeficit	0
Common Stock [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Retained Earnings (Accumulated Deficit)	us-gaap_RetainedEarningsAccumulatedDeficit	0
Retained Earnings [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Retained Earnings (Accumulated Deficit)	us-gaap_RetainedEarningsAccumulatedDeficit	(7,000,000.0)
Additional Paid-in Capital [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Retained Earnings (Accumulated Deficit)	us-gaap_RetainedEarningsAccumulatedDeficit	$ 0