Condensed Consolidated Balance Sheets - Piedmont (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts - receivables	$ 55	$ 40
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares outstanding (in shares)	771,000,000	770,000,000
Stockholders' Equity Attributable to Parent	$ 49,112	$ 49,322
Piedmont
Allowance for doubtful accounts - receivables	$ 11	$ 14
Common stock, par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	100	100
Common stock, shares outstanding (in shares)	100	100
Stockholders' Equity Attributable to Parent	$ 4,051	$ 3,672