.

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

.

Three Months Ended March 31, 2014

.

.

Net cash provided by operating activities $4,391

.

Less purchases of property and equipment (2,345)

.

Free cash flow $2,046

.

.

Net cash used in investing activities* ($7,307)

.

.

Net cash provided by financing activities $822

.

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*Includes purchases of property and equipment.