Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Other) (Narrative) (Details)

v3.7.0.1
Commitments And Contingencies (Other) (Narrative) (Details)
$ in Billions
6 Months Ended
Jun. 30, 2017
USD ($)
property
Property Lock-Ups [Member]  
Commitments And Contingencies [Line Items]  
Expiration year 2016
Property Lock-Ups Expired [Member]  
Commitments And Contingencies [Line Items]  
Number of properties | property 102
Properties aggregate net book value | $ $ 1.2