CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows From Operating Activities
Net loss	$ (607)	$ (152)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization of intangible assets	403	481
Amortization and write-off of debt premiums, discounts and issuance costs	13	15
Asset impairments, including loss on assets held for sale	148	14
Goodwill impairments	469	0
Acquisition-related contingent consideration	(9)	13
Allowances for losses on trade receivable and inventories	17	15
Deferred income taxes	(14)	(70)
Net gain on sale of assets	(23)	(1)
Additions to accrued legal settlements	0	23
Payments of accrued legal settlements	(118)	(3)
Share-based compensation	31	27
Foreign exchange loss	12	16
Gain excluded from hedge effectiveness	(6)	(6)
Loss on extinguishment of debt	5	24
Other	(18)	(7)
Changes in operating assets and liabilities:
Trade receivables	60	69
Inventories	(35)	(94)
Prepaid expenses and other current assets	0	(18)
Accounts payable, accrued and other liabilities	115	(85)
Net cash provided by operating activities	443	261
Cash Flows From Investing Activities
Purchases of property, plant and equipment	(66)	(72)
Payments for intangible and other assets	(2)	0
Purchases of marketable securities	(5)	(2)
Proceeds from sale of marketable securities	2	2
Proceeds from sale of assets and businesses, net of costs to sell	4	21
Interest settlements from cross-currency swaps	11	11
Net cash used in investing activities	(56)	(40)
Cash Flows From Financing Activities
Issuance of long-term debt, net of discounts	(3)	(3)
Repayments of long-term debt	(200)	(1,459)
Payments of employee withholding taxes related to share-based awards	(41)	(24)
Payments of acquisition-related contingent consideration	(6)	(17)
Payments of financing costs	(4)	(18)
Other	11	0
Net cash used in financing activities	(243)	(1,521)
Effect of exchange rate changes on cash and cash equivalents	(13)	(21)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash and cash equivalents held for sale	131	(1,321)
Cash, cash equivalents and restricted cash, beginning of period	1,816	3,244
Cash, cash equivalents, restricted cash and cash and cash equivalents held for sale, end of period	1,947	1,923
Cash, cash equivalents, restricted cash and cash and cash equivalents held for sale, end of period	$ 1,947	$ 1,923