depreciation and amortization | 1.81B - | 3.10B 71.41% | 4.30B 38.82% | 6.65B 54.59% | 7.04B 5.80% | | |
change in working capital | -220.43M - | -129.47M 41.26% | 2.03B 1,671.30% | 448.74M 77.94% | -269.79M 160.12% | | |
net cash provided by operating activities | 3.70B - | 7.66B 107.17% | 10.98B 43.36% | 10.60B 3.49% | 10.87B 2.57% | | |
investments in property plant and equipment | -2.30B - | -59.94B 2,501.68% | -55.63B 7.19% | -12.02B 78.39% | -18.41B 53.11% | | |
sales maturities of investments | 11.23B - | 31.45B 180.01% | | | 59.46B - | | |
other investing activites | 10K - | | | | | | |
net cash used for investing activites | -2.37B - | -61.14B 2,478.61% | -59.25B 3.09% | -16.30B 72.50% | -21.74B 33.41% | | |
other financing activites | 4.01B - | -40K 100.00% | 30K 175% | -99.31M 331,133.33% | -70.94M 28.57% | | |
net cash used provided by financing activities | -1.40B - | 55.97B 4,111.78% | 70.25B 25.52% | -8.49B 112.09% | 2.17B 125.49% | | |
effect of forex changes on cash | | | | -1 - | | | |
cash at beginning of period | 1.67B - | 1.60B 4.14% | 4.09B 154.94% | 26.07B 537.57% | 11.87B 54.45% | 3.17B 73.33% | |