Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.3.1.900
Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Allowance for doubtful accounts $ 86 $ 91
Accumulated depreciation $ 941 $ 884
Common stock par value $ 0.01 $ 0.01
Common Stock, Shares Authorized 1 1