Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Allowance for doubtful accounts $ 107 $ 132
Current portion of debt, fair value $ 1,315 $ 1,750
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 371,132,684 382,165,550
Common stock, shares outstanding 371,132,684 382,165,550
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 8,163,190 29,366,492
Common stock, shares outstanding 8,163,190 29,366,492
Common Class C    
Common stock, shares authorized 4,000,000,000  
Common stock, shares issued 0  
Common stock, shares outstanding 0