text: *Free cash flow consists of cash provided by operating activities less purchases of property and equipment plus proceeds from the sale of property and equipment. 
  
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  **00** **01** **02** **03** **04** **00** **01** **02** **03** **04** **00** **01** **02** **03** **04**
  
  **REVENUE**
  In Billions of Dollars 
  **INCOME BEFORE CUMULATIVE EFFECT**
  **OF CHANGES IN ACCOUNTING PRINCIPLES**
  In Millions of Dollars 
  **FREE CASH FLOW**
  In Millions of Dollars 