depreciation and amortization | 403M - | 496M 23.08% | | | 409M - | 504M 23.23% | | | | 1.04B - | 1.24B 18.89% | 1.60B 28.87% | 1.59B 0.44% | 1.80B 13.20% | 2.01B 11.55% | | | |
change in working capital | 941M - | -223M 123.70% | | | 6.62B - | 3.13B 52.62% | | | | | | | | | | | | |
net cash provided by operating activities | -2.10B - | -4.17B 98.38% | | 1.13B - | 3.31B 193.96% | -1.17B 135.47% | | 8.09B - | 3.59B 55.62% | 3.71B 3.29% | 2.48B 33.15% | 7.25B 192.54% | 3.18B 56.14% | 3.85B 20.87% | 7.80B 102.89% | | | |
investments in property plant and equipment | -182M - | -585M 221.43% | | | -401M - | -1.13B 181.55% | | | | | | | | | | | | |
sales maturities of investments | 22.39B - | | | | 30.86B - | 38.35B 24.26% | | | | | | | | | | | | |
other investing activites | 32M - | 3.36B 10,387.50% | | | 730M - | 449M 38.49% | | | | | | | | | | | | |
net cash used for investing activites | 4.21B - | 2.77B 34.16% | | | -1.46B - | 3.25B 322.76% | | | | | | | | | | | | |
other financing activites | 675M - | -2.20B 425.63% | | | 4.14B - | 802M 80.62% | | | | | | | | | | | | |
net cash used provided by financing activities | 305M - | -2.20B 820.66% | | | 4.15B - | 851M 79.51% | | | | | | | | | | | | |
effect of forex changes on cash | 11M - | 30M 172.73% | | | 46M - | -37M 180.43% | | | | | | | | | | | | |
cash at beginning of period | 4.16B - | 6.58B 58.19% | 3.01B 54.22% | | 454M - | 6.50B 1,331.94% | 9.39B 44.47% | | | 48.65B - | 52.36B 7.63% | 25.86B 50.60% | 33.12B 28.05% | 17.67B 46.65% | 21.52B 21.77% | | | |