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v3.23.1

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Operating Activities: |  |
Net earnings | $ 650 | $ 1,051
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |
Depreciation and amortization | 206 | 208
Deferred income taxes | (26) | (2)
Stock-based compensation expense | 12 | 10
Unrealized net gain on natural gas derivatives | (72) | (33)
Gain on sale of emission credits | (35) | 0
Undistributed earnings of affiliate—net of taxes | (7) | (2)
Changes in: |  |
Accounts receivable—net | 101 | (185)
Inventories | 39 | (66)
Accrued and prepaid income taxes | 153 | 387
Accounts payable and accrued expenses | (135) | 76
Customer advances | 55 | (102)
Other—net | 6 | 49
Net cash provided by operating activities | 947 | 1,391
Investing Activities: |  |
Additions to property, plant and equipment | (69) | (63)
Proceeds from sale of property, plant and equipment | 0 | 1
Purchase of emission credits | 0 | (9)
Proceeds from sale of emission credits | 35 | 9
Net cash used in investing activities | (34) | (62)
Financing Activities: |  |
Payments of Financing Costs | 0 | (4)
Dividends paid | (79) | (64)
Distributions to noncontrolling interest | (255) | (247)
Purchases of treasury stock | (54) | (98)
Proceeds from issuances of common stock under employee stock plans | 0 | 97
Shares withheld for taxes | (22) | (23)
Net cash provided by (used in) financing activities | (410) | (339)
Effect of exchange rate changes on cash and cash equivalents | (1) | (1)
Increase in cash and cash equivalents | 502 | 989
Cash and cash equivalents at beginning of period | 2,323 | 1,628
Cash and cash equivalents at end of period | $ 2,825 | $ 2,617

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