Other Assets (Details) (Sea Launch Receivables [Member], USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Other Assets [Line Items]
Net receivable balance	$ 356	$ 356
Maximum exposure to loss	356
S.P. Koroley Rocket And Space Corporation Energia [Member]
Other Assets [Line Items]
Net receivable balance	223
PO Yuzhnoye Mashinostroitelny Zavod [Member]
Other Assets [Line Items]
Net receivable balance	89
KB Yuzhnoye [Member]
Other Assets [Line Items]
Net receivable balance	44
Credit Guarantees [Member]
Other Assets [Line Items]
Net receivable balance	147
Maximum exposure to loss	147
Partner Loans [Member]
Other Assets [Line Items]
Net receivable balance	209
Maximum exposure to loss	$ 209