Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Other Assets [Line Items]
Net receivable balance recorded in Other assets	$ 1,416	$ 1,408
Spirit Aerosystems [Member]
Other Assets [Line Items]
Loss Contingency, Receivable	143	140
Sea Launch Receivables [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	356	$ 356
Sea Launch Receivables [Member] | S.P. Koroley Rocket And Space Corporation Energia [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	223
Sea Launch Receivables [Member] | PO Yuzhnoye Mashinostroitelny Zavod [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	89
Sea Launch Receivables [Member] | KB Yuzhnoye [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	44
Sea Launch Receivables [Member] | Bank Guarantees [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	147
Sea Launch Receivables [Member] | Partner Loans [Member]
Other Assets [Line Items]
Net receivable balance recorded in Other assets	209
Maximum [Member] | Sea Launch Receivables [Member] | Bank Guarantees [Member]
Other Assets [Line Items]
Loss Contingency, Estimate of Possible Loss	147
Maximum [Member] | Sea Launch Receivables [Member] | Partner Loans [Member]
Other Assets [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 209