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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating Activities: |  |  |
Net earnings | $ 3,937.0 | $ 1,260.0 | $ 432.0
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Depreciation and amortization | 850.0 | 888.0 | 892.0
Deferred income taxes | (107.0) | (196.0) | (74.0)
Stock-based compensation expense | 41.0 | 30.0 | 25.0
Unrealized net loss (gain) on natural gas derivatives | 41.0 | 25.0 | (6.0)
(Gain) loss on embedded derivative | (14.0) | 1.0 | 3.0
Loss on debt extinguishment | 8.0 | 19.0 | 0.0
U.K. goodwill impairment | 0.0 | 285.0 | 0.0
U.K. long-lived and intangible asset impairment | 239.0 | 236.0 | 0.0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | 17.0 | 0.0 | 0.0
Gain on sale of emission credits | (6.0) | (49.0) | 0.0
Loss on disposal of property, plant and equipment | 2.0 | 3.0 | 15.0
Undistributed earnings of affiliate—net of taxes | (1.0) | (6.0) | (1.0)
Changes in: |  |  |
Accounts receivable—net | (110.0) | (235.0) | (19.0)
Inventories | (93.0) | (123.0) | 27.0
Accrued and prepaid income taxes | (227.0) | 94.0 | 8.0
Accounts payable and accrued expenses | 1.0 | 142.0 | (15.0)
Customer advances | (471.0) | 570.0 | 11.0
Other—net | (252.0) | (71.0) | (67.0)
Net cash provided by operating activities | 3,855.0 | 2,873.0 | 1,231.0
Investing Activities: |  |  |
Additions to property, plant and equipment | (453.0) | (514.0) | (309.0)
Proceeds from sale of property, plant and equipment | 1.0 | 1.0 | 2.0
Distributions received from unconsolidated affiliate | 6.0 | 0.0 | 6.0
Insurance proceeds for property, plant and equipment | 0.0 | 0.0 | 2.0
Purchase of investments held in nonqualified employee benefit trust | (1.0) | (13.0) | 0.0
Proceeds from sale of investments held in nonqualified employee benefit trust | 1.0 | 12.0 | 0.0
Purchase of emission credits | (9.0) | (10.0) | 0.0
Proceeds from sale of emission credits | 15.0 | 58.0 | 0.0
Net cash used in investing activities | (440.0) | (466.0) | (299.0)
Financing Activities: |  |  |
Payments of long-term borrowings | (507.0) | (518.0) | 0.0
Proceeds from short-term borrowings | 0.0 | 0.0 | 500.0
Repayments of short-term borrowings | 0.0 | 0.0 | (500.0)
Payment to CHS related to credit provision | 0.0 | (5.0) | (5.0)
Financing fees | (4.0) | 0.0 | 0.0
Purchases of treasury stock | (1,347.0) | (539.0) | (100.0)
Dividends paid on common stock | (306.0) | (260.0) | (258.0)
Distributions to noncontrolling interest | (619.0) | (194.0) | (174.0)
Proceeds from issuances of common stock under employee stock plans | 106.0 | 64.0 | 5.0
Cash paid for shares withheld for taxes | (23.0) | (11.0) | (10.0)
Net cash used in financing activities | (2,700.0) | (1,463.0) | (542.0)
Effect of exchange rate changes on cash and cash equivalents | (20.0) | 1.0 | 6.0
Increase in cash and cash equivalents | 695.0 | 945.0 | 396.0
Cash and cash equivalents | $ 2,323.0 | $ 1,628.0 | $ 683.0

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