Commitments And Contingencies (Tables)
|12 Months Ended|
Dec. 31, 2018
|Commitments and Contingencies Disclosure [Abstract]|
|Schedule of Future Minimum Rental Payments for Operating Leases and build to suit leases||
A summary of future minimum lease payments under noncancelable operating leases as of December 31, 2018 follows (amounts in millions):
Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef