Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.2
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Allowance for doubtful accounts $ 150 $ 129
Current portion of debt, fair value $ 1,452 $ 1,557
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 387,467,859 386,691,461
Common stock, shares outstanding 387,467,859 386,691,461
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 29,381,251 29,278,424
Common stock, shares outstanding 29,381,251 29,278,424
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