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Consolidated Balance Sheets - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 998 $ 1,115
Accounts receivable – net 944 848
Materials and supplies 241 221
Other current assets 120 134
Total current assets 2,303 2,318
Investments 3,604 3,590
Properties less accumulated depreciation of $_____ and $11,985, respectively 31,312 31,345
Other assets 718 709
Total assets 37,937 37,962
Current liabilities:    
Accounts payable 1,043 1,016
Income and other taxes 361 263
Other current liabilities 344 302
Current maturities of long-term debt 501 579
Total current liabilities 2,249 2,160
Long-term debt 12,116 12,102
Other liabilities 1,952 1,987
Deferred income taxes 6,977 6,922
Total liabilities 23,294 23,171
Stockholders’ equity:    
Common stock $1.00 per share par value, 1,350,000,000 shares authorized; outstanding _________ and 252,095,082 shares, respectively, net of treasury shares 251 254
Additional paid-in capital 2,241 2,248
Accumulated other comprehensive loss (586) (594)
Retained income 12,737 12,883
Total stockholders’ equity 14,643 14,791
Total liabilities and stockholders’ equity $ 37,937 $ 37,962