Quarterly report pursuant to Section 13 or 15(d)

Consolidated Condensed Balance Sheets (Parenthetical)

v3.8.0.1
Consolidated Condensed Balance Sheets (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Sep. 30, 2017
Dec. 31, 2016
Assets    
Accumulated depreciation $ 58,048 $ 53,934
Stockholders’ equity:    
Common stock, shares issued 4,680 4,730
Common stock, shares outstanding 4,680 4,730