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Consolidated Statements Of Financial Position - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 960 $ 1,799
Short-term investments (Note 13) 46 60
Accounts receivable, net (Note 10) 1,722 1,505
Materials and supplies 621 638
Other current assets 202 212
Total current assets 3,551 4,214
Investments 2,241 2,164
Properties, net (Note 11) 54,871 54,161
Operating lease assets (Note 16) 1,787 1,610
Other assets 1,075 249
Total assets 63,525 62,398
Current liabilities:    
Accounts payable and other current liabilities (Note 12) 3,578 3,104
Debt due within one year (Note 14) 2,166 1,069
Total current liabilities 5,744 4,173
Debt due after one year (Note 14) 27,563 25,660
Operating lease liabilities (Note 16) 1,429 1,283
Deferred income taxes (Note 7) 12,675 12,247
Other long-term liabilities 1,953 2,077
Commitments and contingencies (Note 17)
Total liabilities 49,364 45,440
Common shareholders' equity:    
Common shares, $2.50 par value, 1,400,000,000 authorized; 1,112,440,400 and 1,112,227,784 issued; 638,841,656 and 671,351,360 outstanding, respectively 2,781 2,781
Paid-in-surplus 4,979 4,864
Retained earnings 55,049 51,326
Treasury stock (47,734) (40,420)
Accumulated other comprehensive loss (Note 9) (914) (1,593)
Total common shareholders' equity 14,161 16,958
Total liabilities and common shareholders' equity $ 63,525 $ 62,398