Derivatives And Hedging Activities Derivative (Details) ₺ in Millions, € in Millions, ¥ in Millions, £ in Millions, $ in Millions, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 TRY (₺)	Mar. 31, 2020 CNY (¥)	Mar. 31, 2020 EUR (€)	Mar. 31, 2020 SGD ($)	Mar. 31, 2020 MXN ($)	Mar. 31, 2020 GBP (£)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Derivative [Line Items]
Document Period End Date	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect before Tax 1											$ (27,000,000)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax											(27,000,000)
Derivative Asset											29,000,000	$ 13,000,000
Currency Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount											600,000,000
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount													$ 400,000,000
Cost of Sales [Member] | Forecast [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net			$ (15,000,000)	$ (12,000,000)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											2,000,000	3,000,000
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											1,000,000	1,000,000
Derivative, Gain on Derivative	$ (1,000,000)	$ (2,000,000)
Not Designated as Hedging Instrument [Member] | Foreign currency derivatives
Derivative [Line Items]
Derivative, Gain on Derivative	(1,000,000)	(2,000,000)
Designated as Hedging Instrument [Member}
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											57,000,000	30,000,000
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											32,000,000	11,000,000
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	6,000,000	18,000,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	2,000,000	2,000,000
Accrued Liabilities | Not Designated as Hedging Instrument [Member] | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											1,000,000	0
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											0
Derivative Liability												0
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											1,000,000
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											1,000,000
Derivative Asset												1,000,000
Net Investment Hedging [Member] | Not Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	29,000,000	16,000,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	0
Net Investment Hedging [Member] | Accrued Liabilities | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											0	0
Net Investment Hedging [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											51,000,000	22,000,000
Cash Flow Hedging [Member] | Poland, Zlotych | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount					₺ 169						40,000,000
Cash Flow Hedging [Member] | United Kingdom, Pounds | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount										£ 21	30,000,000
Cash Flow Hedging [Member] | Singapore, Dollars | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount								$ 36			30,000,000
Cash Flow Hedging [Member] | Euro Member Countries, Euro | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount							€ 37				40,000,000
Cash Flow Hedging [Member] | Mexico, Pesos | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount									$ 1,046		40,000,000
Cash Flow Hedging [Member] | China, Yuan Renminbi | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount						¥ 653					90,000,000
Cash Flow Hedging [Member] | Turkey, Lira | Foreign currency derivatives
Derivative [Line Items]
Derivative, Notional Amount					₺ 62						10,000,000
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(12,000,000)	2,000,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	3,000,000	$ 2,000,000
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member} | Interest Rate Swap [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(11,000,000)
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ (1,000,000)
Cash Flow Hedging [Member] | Other Long-Term Liabilities | Designated as Hedging Instrument [Member} | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Liability												(11,000,000)
Cash Flow Hedging [Member] | Accrued Liabilities | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											2,000,000	0
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											5,000,000	0
Cash Flow Hedging [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											1,000,000	2,000,000
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											1,000,000	0
Derivative Asset											2,000,000	0
Cash Flow Hedging [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member} | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											0	0
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											22,000,000
Cash Flow Hedging [Member] | Other Current Assets [Member] | Designated as Hedging Instrument [Member} | Foreign currency derivatives
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement											3,000,000	6,000,000
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement											$ 2,000,000	$ 0