Share-Based Compensation Weighting for Components of Performance Based RSU Awards (Details) - PLC Long Term Incentive Plan - USD ($) $ in Millions		1 Months Ended		3 Months Ended		12 Months Ended
		Feb. 28, 2023	Feb. 28, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2020
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-Based Awards % Granted For Officers				60.00%		75.00%
Restricted Stock Units (RSUs) | Executives | Time-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross		286,337	354,600
Fair Value of RSUs Vested in Period		$ 33	$ 46
RSU's, Used to Pay Witholding Taxes		116,753	140,409
2020 - 2022 Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets	[1]			33.00%
Cumulative net income				33.00%
Relative total shareholder return	[2]			33.00%
2018 - 2019 Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets	[1]			50.00%
Cumulative net income				25.00%
Relative total shareholder return	[2]			25.00%
2019 Grant | Restricted Stock Units (RSUs) | Executives | Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross					325,283
Fair Value of RSUs Vested in Period					$ 42
RSU's, Used to Pay Witholding Taxes					136,143
2020 Grant | Restricted Stock Units (RSUs) | Executives | Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross				315,664
Fair Value of RSUs Vested in Period				$ 37
RSU's, Used to Pay Witholding Taxes				138,036

[1] Average return on net assets is measured by tax-affected operating income divided by average net working capital plus average net property, plant and equipment for each calendar year during the respective performance period.

[2] Relative total shareholder return is measured by comparing the average closing price per share of the Company’s ordinary shares for the specified trading days in the fourth quarter of the end of the performance period to the average closing price per share of the Company’s ordinary shares for the specified trading days in the fourth quarter of the year preceding the grant, including dividends, and assessed against a comparable measure of competitor and peer group companies.