As at other recent international forums, the United States and its allies were seeking a statement from the two-day G20 summit against Moscow's military actions.
But Russia, whose forces pounded cities and energy facilities across Ukraine even as the G20 met, said "politicization" of the summit was unfair.
[1/12] Leaders gather during the G20 leaders summit in Nusa Dua, Bali, Indonesia, Tuesday, Nov. 15, 2022.
China and Russia are close, but Beijing has been careful not to provide any direct material support for the Ukraine war that could trigger Western sanctions against it.
Cambodian Prime Minister Hun Sen expressed concern for the health of other world leaders - including Biden - after a positive COVID-19 test forced him to return home early.