Acquisitions, Goodwill and Intangible Assets - Gross Purchase Price for the Acquisition of B/E Aerospace (Details) - B/E Aerospace $ / shares in Units, shares in Millions, $ in Millions	Apr. 13, 2017 USD ($) $ / shares shares
Business Combination, Consideration Transferred [Abstract]
Cash consideration	$ 3,521
Value of common stock issued for B/E Aerospace common stock	3,015
Total purchase price	$ 6,536
Common stock issued (in shares) | shares	31.2
Closing share price (in dollars per share) | $ / shares	$ 96.63