Equity Investments - Equity Investments (Details) - EUR (€) € in Millions	Dec. 31, 2021	Dec. 31, 2020
Equity Investments
Equity securities, Current	€ 0	€ 0
Equity securities, non-current	5,799	3,113
Equity securities	5,799	3,113
Investments in associates, current	0	0
Investments in associates, non-current	155	14
Investments in associates	155	14
Equity investments, current	0	0
Equity investments, non-current	5,954	3,127
Equity investments	5,954	3,127
Other financial assets, current	2,758	1,635
Other financial assets, non-current	6,275	3,512
Other financial assets	€ 9,033	€ 5,147
% of other financial assets, current	0.00%	0.00%
% of other financial assets, non-current	95.00%	89.00%
% of other financial assets	66.00%	61.00%

The amount of instruments held by the entity that provide evidence of a residual interest in the assets of another entity after deducting all of its liabilities.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24