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Restricted Cash (Tables)
 3 Months Ended
Mar. 31, 2018
Cash And Cash Equivalents [Abstract]  
Schedule of Restricted Cash

Restricted cash was as follows:

 

 

 

March 31,

 

 

December 31,

 

($ in millions)

 

2018

 

 

2017

 

Escrow deposits on VOI sales

 

$

44

 

 

$

29

 

Reserves related to non-recourse debt(1)

 

 

25

 

 

 

22

 

 

 

$

69

 

 

$

51

 

 

(1)

See Note 11: Debt & Non-recourse Debt for further discussion.