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Reconciliation from net cash provided by operating activities to free cash flow (in millions, unaudited):

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Three Months Ended September 30, 2014

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Net cash provided by operating activities $5,994

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Less purchases of property and equipment (2,417)

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Free cash flow $3,577

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Net cash used in investing activities* ($9,327)

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Net cash used in financing activities ($455)

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*Includes purchases of property and equipment.