v3.20.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Trade accounts receivable, allowances (in dollars) $ 117 $ 108
Trade accounts payable at fair value $ 644 $ 378
Convertible perpetual preference shares, par value (in dollars per share) $ 0.01 $ 0.01
Convertible perpetual preference shares, authorized (in shares) 21,000,000 21,000,000
Convertible perpetual preference shares, issued (in shares) 6,899,683 6,899,683
Convertible perpetual preference shares, outstanding (in shares) 6,899,683 6,899,683
Convertible perpetual preference shares, liquid preference (in dollars per share) $ 100 $ 100
Common shares, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, authorized (in shares) 400,000,000 400,000,000
Common shares, issued (in shares) 142,146,260 141,813,142
Common shares, outstanding (in shares) 142,146,260 141,813,142
Common shares, at cost (in shares) 12,882,313 12,882,313