Statement of Consolidated Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities
Net income	$ 258	$ 261	$ 470
Adjustments to reconcile net income to cash provided from operations:
Depreciation and amortization	270	338	536
Deferred income taxes	38	2	(19)
Restructuring and other charges	90	164	620
Net loss from investing activities—asset sales	9	8	7
Net periodic pension benefit cost	18	51	115
Stock-based compensation	41	45	60
Loss on debt redemption (R)	146	64	0
Other	20	(5)	13
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
Increase in receivables	(337)	(238)	(977)
Decrease (increase) in inventories	60	74	(3)
Decrease (increase) in prepaid expenses and other current assets	11	(2)	4
Increase (decrease) in accounts payable, trade	144	(381)	(1)
Decrease in accrued expenses	(146)	(217)	(42)
(Decrease) increase in taxes, including income taxes	(41)	98	(2)
Pension contributions	(96)	(257)	(268)
(Increase) decrease in noncurrent assets	(13)	39	(7)
Decrease in noncurrent liabilities	(23)	(35)	(45)
Cash provided from operations	449	9	461
Financing Activities
Net change in short-term borrowings (original maturities of three months or less)	(9)	(15)	2
Additions to debt (original maturities greater than three months)	700	2,400	400
Payments on debt (original maturities greater than three months)	(1,538)	(2,043)	(806)
Debt issuance costs	(11)	(61)	0
Premiums paid on early redemption of debt	(138)	(59)	0
Proceeds from exercise of employee stock options	22	33	56
Dividends paid to shareholders (J)	(19)	(11)	(57)
Repurchase of common stock	(430)	(73)	(1,150)
Net cash transferred to Arconic Corporation at separation	0	(500)	0
Other	(21)	(40)	(13)
Cash used for financing activities	(1,444)	(369)	(1,568)
Investing Activities
Capital expenditures	(199)	(267)	(641)
Proceeds from the sale of assets and businesses	32	114	103
Sales of investments	6	0	73
Cash receipts from sold receivables	267	422	995
Other	1	2	(2)
Cash provided from investing activities	107	271	528
Effect of exchange rates on cash, cash equivalents and restricted cash	(1)	(3)	0
Net change in cash, cash equivalents and restricted cash	(889)	(92)	(579)
Cash, cash equivalents and restricted cash at beginning of year	1,611	1,703	2,282
Cash, cash equivalents and restricted cash at end of year	$ 722	$ 1,611	$ 1,703