Acquisition Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			0 Months Ended		12 Months Ended	0 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 02, 2013 American Entertainment Properties Corp. [Member] Railcar Segment [Member]	Oct. 02, 2013 ARL [Member] Railcar Segment [Member]	Dec. 31, 2013 New ARL [Member] [Member]	Feb. 24, 2014 New ARL [Member] [Member] Railcar Segment [Member]	Oct. 02, 2013 New ARL [Member] [Member] Railcar Segment [Member]	Feb. 28, 2014 New ARL [Member] [Member] Railcar Segment [Member]	Aug. 31, 2013 Lumiere [Member] Gaming Segment [Member]
Business Acquisition [Line Items]
Amount paid for management contract between related parties				$ 21
Cash contribution to newly capitalized entity					71
Note receivable contribution to newly capitalized entity					171
Payments to Acquire Interest in Joint Venture	279	0	0	279
Future planned contribution to newly capitalized entity, percentage				100.00%
Percentage of equity ownership in subsidiary						75.00%		75.00%
Future debt expected to be incurred by new capitalized entity								381	381
Future cash expected to be distributed by newly capitalized entity							381	381
Business combination, commitment to purchase										$ 260