Income Taxes (Details) € in Millions, $ in Millions		3 Months Ended		12 Months Ended
	Oct. 04, 2017 EUR (€)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes		$ 948	$ (1,422)
Discrete tax expense (benefit)		48	(2,100)
Cash paid for income taxes, net of refunds		619	$ 453	$ 6,201	$ 3,340
Tax contingencies		$ 4,200		$ 4,200		$ 4,000
Luxembourg Tax Administration | Foreign Tax Authority
Income Tax Examination [Line Items]
Tax examination, estimate of additional tax expense | €	€ 250