Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Allowance for doubtful accounts $ 118 $ 117
Current portion of debt, fair value 1,089 990
Long-term debt, fair value $ 383 $ 344
Preferred stock, par or stated value per share $ 0.01 $ 0.01
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Common Class A    
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 4,000,000,000 4,000,000,000
Common stock, shares issued 400,253,222 409,901,058
Common stock, shares outstanding 400,253,222 409,901,058
Common Class B    
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 29,386,390 29,248,343
Common stock, shares outstanding 29,386,390 29,248,343
Common Class C    
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 400,000,000 400,000,000
Common stock, shares issued 0 0