Hmm I think it depends on your platform and/or ASA version. Here’s a 5506 running ASA 9.5 with a fresh config:
ASA# show running-config all | include xlate
xlate per-session permit tcp any4 any4
xlate per-session permit tcp any4 any6
xlate per-session permit tcp any6 any4
xlate per-session permit tcp any6 any6
xlate per-session permit udp any4 any4 eq domain
xlate per-session permit udp any4 any6 eq domain
xlate per-session permit udp any6 any4 eq domain
xlate per-session permit udp any6 any6 eq domain
Per-session is enabled by default. With your deny statements, multi-session PAT is enabled yes.