Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 9,000,000,000 9,000,000,000
Common stock, shares issued (in shares) 4,481,266,000 4,530,928,000
Common stock, shares outstanding (in shares) 4,480,763,000 4,527,742,000
Treasury stock (in shares) 503,000 3,186,000