CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Allowance for trade and other receivables	$ 75	$ 63
Financing Receivable, after Allowance for Credit Loss, Current	396	162
Financing Receivable, Allowance for Credit Loss, Noncurrent	$ 889	$ 351
Common Stock
EQUITY
Common Stock, par value (in dollars per share)	$ 0.01
Common Stock, shares issued (in shares)	4,025
Common Stock, Shares Authorized (in shares)	6,000
Class B Stock
EQUITY
Common Stock, par value (in dollars per share)	$ 0.01
Common Stock, shares issued (in shares)	71
Common Stock, Shares Authorized (in shares)	530

Amount of allowance for credit loss on accounts receivable, classified as current.

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