Subsequent Event (Details) - Feb. 13, 2023 - Vodafone - Subsequent Event € / shares in Units, $ / shares in Units, € in Millions, $ in Millions	EUR (€) € / shares shares	USD ($) $ / shares shares
Subsequent Event [Line Items]
Ownership interest acquired	4.92%	4.92%
Number of shares purchased (in shares) | shares	1,335,000,000	1,335,000,000
Average purchase price per share (in dollars per share) | (per share)	€ 0.9195	$ 1.1151
Aggregate purchase price	€ 1,227.6	$ 1,488.7
Cash paid for acquisition | $		271.3
Collar transaction, loan amount | $		$ 1,217.4
Number of shares collared in transaction (in shares) | shares	1,335,000,000	1,335,000,000
Expected percentage of dividends retained	28.00%	28.00%